Twin undersink replacement filter set
Advanced filtration
The Twin Undersink Replacement Filter Set offers powerful, multi-stage filtration, removing a wide range of contaminants including:
Fluoride
Chlorine & Chloramines (chlorine combined with ammonia for longer-lasting disinfection)
Heavy metals such as lead, copper, zinc, iron, and aluminium
Pathogens, pesticides, phosphates, arsenic, halides, and more
Volatile Organic Compounds (VOCs)
Premium Filter Media
Built with the highest-quality patented filtration materials and our unique, patent-pending O-Dobi media, this system alkalizes, ionizes, and infuses your water with molecular hydrogen. Each filter is engineered to last for approximately 3,000 litres.
Naturally Alkalized, Mineral-Rich Water
Adds essential minerals like magnesium, calcium, and trace elements
Maintains natural potassium and sodium balance
Achieves pH levels up to 9 (depending on source water)
A healthier and more hydrating alternative to plain tap or bottled water
Hydrogen-Enriched, Antioxidant Water
The UltraStream Twin Undersink System outperforms electric ionizers—at a fraction of the cost.
Produces consistently alkaline, ionized, antioxidant water
Delivers a stable negative ORP (oxidation-reduction potential) down to -500mV
Infuses molecular hydrogen for antioxidant and anti-inflammatory benefits
Backed by published studies and 1,000+ scientific articles
A Smarter, Greener Investment
Cost-effective: Just 22–25¢ per litre in the first year, and only 8–10¢/litre ongoing
Eliminates the need for plastic bottles
Designed in Australia. Made in California, USA
Filter replacement
The UltraStream twin filter is designed to perform optimally for approximately 12 months or until it processes around 3,000 litres of water—whichever comes first. 12 months lifespan is based on typical family use (~8 glasses/day). Go to Support to download instructions on how to replace the UltraStream twin replacement filter.
UltraStream twin undersink system
The UltraStream twin water filter system is a water filtration system that is easily installed on a 3-way faucet, fridge water dispenser, or standard water filter faucet.
Love the taste of clean water