ultrastream undersink replacement water filter
UltraStream Replacement Cartridge

UltraStream Replacement Cartridge


  • Fits Benchtop or Undersink UltraStream Units
  • Replacement Filter UltraStream Water Alkaliser
  • Constructed from EPA approved plastic. BPA Free
  • All filtration media EU approved
  • Made in the USA under AlkaWay’s supervision
  • Tested for over 3000 litres
  • You get a ‘new water ionizer with every filter change’. The complete ionizing system is integrated within each filter
  • Ultrastream replacement cartridges are available in White or Black.
  • New Virus Guardian ™ Layer

Learn more – Revolutionary UltraStream Alkalizing water filter

Remember to flush the new UltraStream Replacement Cartridge for 10 minutes before use.

Note: To help reduce the environmental load on our landfills the Replacement Cartridge for the Stainless Steel and Black UltraStream will be supplied without the Stainless Steel (SS) sleeve/cover (unless ordered by calling 1800 268 469). This is in response to requests from the majority of our customers. So, when replacing the Cartridge please keep the cap and SS sleeve to put onto the new cartridge. Thanks.

(362 customer reviews)

More information on the UltraStream Replacement Cartridge

The UltraStream is the most advanced alkalizing water filter system available today. Tap water passes through the 8 layers of filtration media and alkalizing media. Producing sensational, pure, great-tasting, alkaline drinking water in every glass. Designed by Australians, and manufactured in the USA.

The patent-pending UltraSteam water filter uses the highest quality patented filter media plus exclusive O-Dobi alkalizing, ionizing, and hydrogen producing media. It also supplies infused magnesium and calcium through the life of the filter, calculated and tested for over 3000 litres.

Important note for all water filter customers. No filter lasts forever. 3 factors affect the lifespan of the filter.

  1. The quality of the filtration media.
  2. The amount of filtration media.
  3. The amount of ‘gunk’ in your water.

For this reason, we recommend replacing the UltraStream Replacement Cartridge every 12 to 14-month. Although we have the world’s best filtration media in generous amounts, any filter, no matter how good it is, is a ‘toxic waste dump’ collecting the toxic chemicals and debris in your water and preventing its passage into your body.



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Additional Information

To help reduce the environmental load on our landfills, the Silver and Black UltraStream Replacement cartridges will be supplied without the Stainless Steel (SS) sleeve and Plastic caps (unless ordered). This is in response to requests from the majority of our customers. So, when replacing the Cartridge, please keep the black cap and SS sleeve to put onto the new cartridge. Thanks.

362 reviews for UltraStream Replacement Cartridge

Based on 362 reviews
Showing 319 of 362 reviews (5 star). See all 362 reviews
  1. Anonymous (verified owner)

  2. Jo (verified owner)

    Great product,I’ve been using the filter now for along time,and it’s one thing I wouldn’t go without, the delivery time is great,I’m in country Qld and order on a Thursday night late knowing they are closed Friday,my order arrives via courier usually Tuesday morning by 8am

  3. Roman B. (verified owner)

    Perfect product

  4. Neil Smith (verified owner)

    Love the product and service. Have nothing but a positive experience

  5. Karl-Heinz Gleich (verified owner)

    I love this Water

  6. Greg Tombs (verified owner)

    Even after a few weeks the unit continues to drip after use, then takes time then to get a steady stream each time. I have only changed the filter. Is there anything else I can do to alleviate the issue

    • webmaster (store manager)

      As you probably already know its a side an effect of the Hydrogen production and should slow in a couple of weeks. But it’s defiantly worse on some water supplies, we are working on ways to reduce it. If it’s still a problem call or email us and we should be able to help.

  7. Casey Lau (verified owner)

  8. Tristan Moore-Wood (verified owner)

  9. Steve Schiller (verified owner)

  10. Philip C. (verified owner)

    Thank you, appreciated the heads up to replace the cartridge. We love our clean water and get regular compliments from our visitors on the quality of water. We always endeavour to take enough water from home when away.

  11. Stephen H. (verified owner)

    I am thankful for the yearly reminder and the prompt delivery of our Ultrastream. This year I asked if there was a little extension pipe and lo and behold it was in the parcel – no problems

  12. Clare (verified owner)


  13. Eddie (verified owner)

    great service, speedy delivery

  14. Rajendra Kumar (verified owner)

    I received my replacement Cartridge within three days after ordering and with free delivery.

  15. Graham (verified owner)

    New replacement cartridge was easy to install. After running it in for 20 minutes I had my first drink – and later had to visit Mother Nature. This reassured me that the filter was working to perfection. Now body has readjusted to drinking the purest water money can buy. A great and important product to have and to use daily in one’s home for better health and sense of well-being. No argument need be entered. Graham.

  16. Megan (verified owner)

  17. Deanna Brookhouse (verified owner)

    Easy order, quick delivery

  18. Eric Young (verified owner)

    Quick and efficient service, thank you

  19. Mark (verified owner)

    No problems, all good.

  20. Alan Saunders (verified owner)

  21. Igor Antoniak (verified owner)

  22. Egon (verified owner)

  23. Graeme (verified owner)

  24. Anonymous (verified owner)

  25. Benjamin Ridley (verified owner)

  26. Ann-Marie von Douglas (verified owner)

    Couldn’t be happier. Such quick service. Easy to order and no dramas. I do credit the Alkaway system with keeping me healthy after my cancer. Love my lovely water!

  27. Graeme Whitlock (verified owner)

  28. Graeme Gingell (verified owner)

    We reqeived it in good order as expected.

  29. Les lavis (verified owner)

  30. Cheryl (verified owner)

    Love the beautiful taste of clean fresh water. Dad did a taste test with Mum and she picked it straight away. She is 82.

  31. ANN W. (verified owner)

    The replacement cartridge is easy to replace. I drink a glass of water before other beverages and the water from the UltraStream makes a lovely cup of tea it’s always refreshing YEAH!!

  32. Megan P. (verified owner)

    Excellent customer services and product

  33. Cheryle (verified owner)

    Love this water filter, this is our third year of using it.

  34. Kim (verified owner)

    Great efficient service with a great product. Thankyou

  35. Anonymous (verified owner)

  36. William C. (verified owner)

    Great product, delivered on time, no problems.

  37. Anonymous (verified owner)

  38. Toby Coote (verified owner)

  39. Lyn & Rainer Dultz (verified owner)

  40. Sarah Chen (verified owner)

    Efficient service! Great product!

  41. Marilyn Box (verified owner)

    Very fast delivery

  42. Robert Carr (verified owner)

    Fast and furious delivery. Thanks.

  43. Henriette M. (verified owner)

  44. Mary McCallum (verified owner)

    Products arrived very quickly. Ordering was extremely easy. Excellent service, thank you.

  45. Wendy Cole (verified owner)

    Very happy with quick response to my order, and delivery time. Filter excellent. Thank you all at Alkaway.

  46. Maisie Bertuccio (verified owner)

  47. Lachlan (verified owner)

    Very prompt service , great products, water tastes sweet.

  48. Mirko Iovtchev (verified owner)

  49. Janine W. (verified owner)

    Always happy with your efficient and quick delivery of my replacement filter. Been using your filter now for many years, and I don’t like drinking other water, because I can taste the difference, even when I go out I take my own water bottle. Thank you all, may we have many more years together.

  50. Natalie (verified owner)

    Very quick delivery

  51. Neil Cunningham (verified owner)

    Thanks again. Greet service.

  52. Marjorie Leggett (verified owner)

    love the filter can taste the difference again with new one.

  53. Anonymous (verified owner)

    Very happy with this product

  54. Catherine Phillips (verified owner)

    As always – great products and very fast delivery. Thank you.

  55. Anonymous (verified owner)

    Being using it for few years and it is great!

  56. Heta (verified owner)

    I am very happy with my Alkaway filter.

  57. Doug Wakefield (verified owner)

  58. Jennifer Kennedy (verified owner)

    Our replacement cartridge arrived in record time! Thanks Alkaway!

  59. Greg B. (verified owner)

    Top job

  60. Ian L. (verified owner)

  61. Anonymous (verified owner)

  62. John Blanken (verified owner)

  63. Leonie (verified owner)

    Fast, efficient delivery. Great product technology.

  64. Gregory Hicks (verified owner)

    Solid product….delivers ultra clean water.

  65. Timothy crowley (verified owner)

  66. Robert L. (verified owner)

    This was a replacement cartridge for our existing excellent and most effective filter. I have had water filters for more than 30 years, this is by far the best ever.

  67. Alla Redigolo (verified owner)

  68. Graham Cotter (verified owner)

  69. Gary H. (verified owner)

  70. Fiona Reynolds (verified owner)

    All good, thank you.

  71. Anonymous (verified owner)

  72. Jarmila T. (verified owner)

    Great product excellent service. Highly recommended!

  73. John Maddy (verified owner)

    efficient service with prompt delivery

  74. Anonymous (verified owner)

    Happy with the replacement purchase.

  75. Peter Martyn (verified owner)


  76. Wayne Rigg (verified owner)

  77. Karen Hayes (verified owner)

    Just wish I could have bought the one without The stainless steel as mine was just fine to reuse. I thought I was buying just a replacement cartridge. Tell me how to do that next time.

  78. Tristan (verified owner)

  79. Glenn (verified owner)

    Always excellent service from this company

  80. roland short (verified owner)

    Great product ,have been using it for many years now , very happy👍

  81. david parkinson (verified owner)

  82. Grazyna Durak (verified owner)

  83. Russell Z. (verified owner)

    excellent product and service. Thanks

  84. Ian Johnstone (verified owner)

    Have bee using for a number of years. I can’t drink tap water now!

  85. Andrina (verified owner)

    Great filtration system and very good customer service.

  86. Anonymous (verified owner)

    have been using for 4 years and are totally satisfied

  87. Martin Harris (verified owner)

    No problem all delivered and fitted well thank you,

  88. Diana Killen (verified owner)

    I recommend the Ultrastream to all my nutritional clients. I’m very happy with it.

  89. Anonymous (verified owner)

  90. Ruth Wallis (verified owner)

    The service was fantastic, have ordered before, and the product is everything we need. Couldn’t be happier with Alkaway and their service and product.

  91. cathie (verified owner)

    fast reliable replacement filter . would recommend

  92. Anonymous (verified owner)

    We love this pure, soft water! It helps us to be motivated to DRINK OFTEN! So worth it! Thanks Alkaway.

  93. Anonymous (verified owner)

  94. Kristy Porter (verified owner)

  95. Libby Dodd (verified owner)

    Wonderful reminder from Alkaway and quick service and delivery

  96. Tony Duguid (verified owner)

  97. Howe Hee (verified owner)

    Great product services and shipping arrangement from understanding customer service team, thanks.

  98. Megan Pang (verified owner)

    Happy with the products and services

  99. Norman (verified owner)

  100. Ian G. (verified owner)

  101. David Graham (verified owner)

    Ian, team – love your work – cheers – David Graham

  102. Annette (verified owner)

  103. Christine S. (verified owner)

    Service is always prompt

  104. Jamie (verified owner)

  105. LACH MCPHIE (verified owner)

    Love this water

  106. Mark Kruse (verified owner)

    We love the water from this filter, makes it extremely hard to drink normal tap water

  107. andrew (verified owner)

  108. Rochelle Doukas (verified owner)

    Great service and the best water to drink.

  109. Samantha (verified owner)

    Very happy with the quick delivery of my replacement cartridge and the UltraStream unit is a must for every household!

  110. LARRY ADAMS (verified owner)

    Excellent , very happy with Alkaway , as allways :o)

  111. Ian (verified owner)

    Yes happy with the delivery of replacement filter

  112. Joy (verified owner)

    The water quality is absolutely pristine, truly luscious to drink, and when used to make my tea, its simply delicious, it really makes the pure flavour of the tea shine through as its supposed to! I am completely satisfied with this product.

  113. Jacqueline Szemes (verified owner)

    Speedy service, very happy

  114. Harriet Clutterbuck (verified owner)

    It’s good that you send reminders when it’s time to change the filter otherwise I might not get around to it. And as always the staff are friendly and helpful

  115. Almeda Peer (verified owner)

  116. Edward Burk (verified owner)

  117. Anonymous (verified owner)

  118. Shiralee W. (verified owner)

  119. Jenie Simpson (verified owner)

    Quick service 👍

  120. Gary Macri (verified owner)

  121. Anonymous (verified owner)

    Best filter we ever used!

  122. Alan Everett (verified owner)

  123. Anonymous (verified owner)

  124. Barry Jackson (verified owner)

    A great water filter& great service.
    Thank you

  125. Simona Milea (verified owner)

  126. Mike H. (verified owner)

    Excellent water filter. We would love to have the under sink model, but that will have to come later!

  127. Angie McKenzie (verified owner)

    Very quick to send and good communication as well as good product

  128. John McKay (verified owner)

    Great product, great service

  129. Brian (verified owner)

    Easy to install replacement cartridge (anyone could do it), up and running with great water within the hour. Would of course recommend to others.

  130. Sharree C. (verified owner)

    Fantastic water filter system and so easy to replace yr filter each year.

  131. Irene Veltman (verified owner)

    Love the taste

  132. Henriette Muys (verified owner)

    Great product, great service

  133. Peta T. (verified owner)

  134. Matthew Tulk (verified owner)

    excellent turn around

  135. Garry Harrison (verified owner)

    Pleasure to do business with you. Will be in touch when a replacement filter is required.

  136. Susan (verified owner)

    Love the ease and longevity of this amazing filter for Sydney water! Definitely worth $250 per year!

  137. Stefan Atanassoff (verified owner)

    all in good order

  138. Mark W. (verified owner)

  139. barbel vogeley (verified owner)

    very good

  140. Kim B. (verified owner)

    Very happy!

  141. Tom Bunko (verified owner)

  142. Russell T. (verified owner)

    Arrived very quickly, easy to install. I didn’t realise how dirty the old filter was. Would be really good if I could recycle the old filter somehow – hate sending it to landfill 🙁

  143. Roger Griffiths (verified owner)

  144. Lana (verified owner)

    Always a fabulous product, used them for years.

  145. Christine S. (verified owner)

    We love our filter, we have been happily supplied for over 4 years now. Even in these uncertain times the warmth and service remains. I definitely will continue to support this wonderful Australian business!

  146. Nick Matthews (verified owner)

    Speed of delivery great. Could you provide a water pH tester as well please?

  147. Julia H. (verified owner)

    Great water! Fast service!

  148. Anne-Marie (verified owner)

    Great products easy straightforward ordering and delivery. Never had a problem with the company. I’m a return purchaser

  149. Anonymous (verified owner)

  150. Carol O’Connell (verified owner)

  151. Elizabeth (verified owner)

    Great product, swift service

  152. Nanditā Jackson (verified owner)

    This is a truly excellent product!
    We are very pleased to have the Ultrastream in our house. The water quality is amazing – our bodies feel well hydrated, healthy and happy! Thank you Ian and team at Alkaway for your research and development of the Ultrastream.
    We can highly recommend this product – you will be as pleased as we are with it!

  153. Neil (verified owner)

  154. Brendan Wilkie (verified owner)

  155. Andy F. (verified owner)

  156. Jeannine Andrews (verified owner)

    You got the colour wrong but notified us. All good

  157. Walter H. (verified owner)

    It fittet.

  158. Anonymous (verified owner)

  159. Gail Dillon (verified owner)

  160. Jason Garde (verified owner)

  161. Shane D. (verified owner)

  162. Dereck (verified owner)

  163. Joy Watson (verified owner)

    Pleased to see less waste

  164. Melissa (verified owner)

  165. Jodie (verified owner)

    Always can tell the difference when we put a new cartridge in 🙂

  166. Karen McPaul (verified owner)

  167. Bob L. (verified owner)

    Whats to say, I got exactly what I asked for

  168. Josef Wild (verified owner)

    as above.

  169. Edward Enoka (verified owner)


  170. dean s. (verified owner)

    I have been using the ultrastream for about 5 years and love the quality of water I consume.

  171. Roslyn (verified owner)

  172. Diane Bourke (verified owner)

  173. alan harrison (verified owner)

    All good but the cost is making it difficult to justify the outlay each year

  174. Brigitte (verified owner)

  175. Lyndsay Fenwick (verified owner)

    Great makes drinking water so easy

  176. Tracy C. (verified owner)

    Seriously Easy to Replace

  177. Anonymous (verified owner)

  178. Merlin Baker (verified owner)

  179. Les Lavis (verified owner)

  180. Helen R. (verified owner)

    Really happy with this product. I have been using it for many years

  181. Anonymous (verified owner)

  182. Graeme Gingell (verified owner)

    Been using for 5 years…all good

  183. ChristineChristine Hollow (verified owner)

  184. Robert Bacon (verified owner)

  185. tim morris (verified owner)

  186. Anthony Wilson (verified owner)

    Does a great filtering job for such a compact unit.

  187. Phillip Herbert (verified owner)

  188. Lisa Mollison (verified owner)

    great !

  189. Russell Workman (verified owner)

  190. Michael Stevenson (verified owner)

    we have been using alkaline water products from Alkaway for 15 years now and the Ultrastream water filter is among the best providing beautiful wet tasty water that we know is safe to drink

  191. Neil (verified owner)

  192. Dean Rees-Evans (verified owner)

  193. Chris (verified owner)

    Love this water filter, you can certainly taste the difference.

  194. Amy G. (verified owner)

    Love this Alkaway system!! Best water.

  195. Lucas C. (verified owner)

  196. Stephen Williams (verified owner)

    Great quality product

  197. Liz R. (verified owner)

  198. Alessandra FAVARO (verified owner)

    Superb service

  199. Kristine E.

  200. Anonymous

  201. Sara Louise George Harrison

  202. Megan

    Awesome product

  203. Megan

    Awesome product

  204. Carolyn

  205. Anonymous

  206. Nicholas I.

  207. Aaron S.

  208. Diane

    very expensive with delivery costs on top!

  209. Stephen Mifsud

    Its initial the purchase cost of the filter is high however over the years I have realised how cheap it really is.

  210. Andy A.

    After three years on AlkaWay, I don’t ever want to go without it.

  211. Libby Dodd

  212. Melissa

    Great product

  213. Mark Kruse

    Best water!

  214. Derek Wagner

  215. Andrea C.

    This filter makes such a difference to the taste of the water. We’ve invested in this system for the last 5-6 years and wouldn’t be without it.

  216. Roberta Chircop

  217. Ivan Kaplun

    Great product

  218. Ivan Kaplun

    Great product

  219. Janine

  220. Leonie

    My Ultrastream water filter is an essential part of my life – I never want to be without the wonderfully heathy, pure, alkaline h20 it provides me!
    My recent purchase of a replacement cartridge is actually my 3rd one – with my everyday usage of this water filter system I replace the cartridge every 12 -16 months to ensure its working properly. It’s just a single person household use for me.

  221. Annette

    Once a year replacement works for me.

  222. Annette

    Once a year replacement works for me.

  223. Wendy C.

    A quality product as always. Thank you very much.

  224. Megan

    Awesome product

  225. Ivan Kaplun

    Great product

  226. Megan

    Awesome product

  227. Ivan Kaplun

    Great product

  228. Megan

    Awesome product

  229. Ivan Kaplun

    Great product

  230. Harriet Clutterbuck (verified owner)

    We like this filtered water

  231. Merilyn Baker (verified owner)

  232. Huon Feitscher (verified owner)

    Love the product that’s why I keep buying year after year

  233. Adrian (verified owner)

  234. Ashley Hearl (verified owner)

    Love This Product

  235. Ron Harris (verified owner)

  236. Carol O’Connell (verified owner)

  237. Helga J. (verified owner)

  238. maria (verified owner)

  239. Graham R. (verified owner)

  240. Walter (verified owner)

  241. Natalie Gina (verified owner)

  242. Johnny (2798) (verified owner)

  243. Jade (verified owner)

  244. Nick (verified owner)

    Love Alkaway Ultrastream products

  245. Henriette Muys (verified owner)

  246. Gary McCue (verified owner)

  247. Douglas (verified owner)

    easy-to-replace cartridge supplied

  248. Junea (verified owner)

    Fast delivery and we are very happy with the filter. We will definitely buy again next year.

  249. JULIE O. (verified owner)

    Loving the Ultrastream Benchtop as I am renting and can take it with me.

  250. michele (verified owner)

  251. Annette

    Once a year replacement works for me.

  252. Roger M. (verified owner)

  253. Darius (verified owner)

  254. Linda Burnett (verified owner)

    The cartridge was well packaged, arrived in excellent condition and produces clean alkaline water which is a pleasure to drink

  255. Matthew Tulk (verified owner)

    easy to install now watched the youtube video.

  256. Michael W. (verified owner)

    As far as I can see the best filter option out there

  257. Russell (verified owner)

    I like how it no longer comes in stainless. No need to have something that looks nice when it is hidden under the bench.
    Same great filter performance – I couldn’t live without it now.
    It would be handy if the documents in the box had the flowrate calibration on it (1l per minute). I have to look that up each time I change the filter to check it’s ok.

  258. Graham Cotter (verified owner)

    Great tasting water. Highly recommended.

  259. Anonymous (verified owner)

  260. Vicki Ruys (verified owner)

  261. Roman (verified owner)

    fantastic products

  262. Sharon Bowskill (verified owner)

  263. Anna

    Love love love my under bench filter system. The whole family loves the water, the tap is easy for the kids to reach over and use. I feel sooooo good, having been drinking and cooking in this water for a year. And the annual filter reminder is super handy.

  264. noel d. (verified owner)

    Great product at reasonable price.

  265. Neil W. (verified owner)

  266. Raymond Hanna (verified owner)

  267. Susan (verified owner)

  268. Mary-Jane (verified owner)

  269. Mel Brady (verified owner)

  270. Luc and Jennifer (verified owner)

  271. Elizabeth (verified owner)

    Not yet installed, but, based on previous experience, we expect to have no problems with it.

  272. Janina (verified owner)

    I love the water and cannot drink tap water hate the taste. Water filtered by Alka Way is just right.

  273. Sander (verified owner)

  274. Lu Dulvarie (verified owner)

  275. Anne (verified owner)

    Have been using this filter for a few years now and I am very satisfied

  276. Tanya (verified owner)

  277. Robert L. (verified owner)

  278. David (verified owner)

    Alkaway great. Unfortunately Australia Post delivery service was hopeless. Not delivered to our home even though we were home. Driver didn’t try to deliver but took package to an Aust Post depot. Regards David

  279. Peter Jackson (verified owner)

    Fitted in around 5 minutes, functioning perfectly

  280. Debra C. (verified owner)

    The best water we have ever drank

  281. Sylvia Roberts (verified owner)

    Wish this product was cheaper, but does a wonderful job.

  282. Christine Holliw (verified owner)

  283. Sally (verified owner)

  284. Bruce D. (verified owner)

  285. kerri joy (verified owner)

    love this product been using it for years

  286. Helen L. (verified owner)

  287. dean s. (verified owner)

    I have been using this system for about5 years and wouldn’t use anything else. Very happy with the company and customer service .

  288. Bruce C. (verified owner)

  289. Sashe RIZOVSKI (verified owner)

    Have been using the Ultrastream for nearly 10 years now. Love it.

  290. Ian (verified owner)

  291. Diane Bourke (verified owner)

  292. Aida B. (verified owner)

  293. Ruth Wallis (verified owner)

    Just what we needed. Excellent product

  294. Maree/ashley (verified owner)

  295. Anonymous (verified owner)

    Replace yearly. Have been utilising for 7 years.

  296. Sean B. (verified owner)

    Thanks, great filter!

  297. Melissa M. (verified owner)

  298. Anonymous (verified owner)

  299. Marion V. (verified owner)

    Love drinking this water. Tastes great and beneficial.

  300. Przemyslaw Karasiuk (verified owner)

  301. Kate B. (verified owner)

  302. Anonymous (verified owner)

    Filter no issue.

  303. Anonymous (verified owner)

  304. Tony Twycross (verified owner)

  305. Terry B. (verified owner)

  306. Florian (verified owner)

    The instructions on how to replace the filter where very helpful. It was very easy.

  307. Chris (verified owner)

  308. Ivan Baker (verified owner)

  309. Bruce Orr (verified owner)

  310. Basem (verified owner)

  311. Candice S. (verified owner)


  312. Ros (verified owner)

  313. Joan (verified owner)

  314. Rosemary Trevethan (verified owner)

  315. mervyn f. (verified owner)

    So easy to install ..

  316. Joanna (verified owner)

    Easy to do the switch over and water is so nice!

  317. Megan Pang (verified owner)

    Excellent product and service.

  318. Jesse Moran (verified owner)

    Can taste the difference and feel the difference with the new filter. Didn’t realise how much has changed over the year. Ph level is also higher.

  319. Fran G. (verified owner)

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