Reverse Osmosis System
Experience the Purest Water in Perth
In Western Australia, our water supply is reliable—but it carries natural mineral hardness and treatment additives like chlorine that can affect taste, dry out your skin, and wear down household appliances.
At Osmosis Water Filters, we know every home has different water needs. Our BWT Reverse Osmosis systems are designed to deliver exceptionally pure drinking water by reducing dissolved impurities, improving taste, and providing high-quality filtered water straight from your kitchen tap.
Pure Drinking Water for Your Home
Our BWT Reverse Osmosis systems use advanced membrane technology to reduce dissolved impurities, delivering cleaner, better-tasting drinking water for you and your family while helping reduce reliance on single-use plastic bottles.
Superior Purity
BWT Reverse Osmosis systems use a semi-permeable membrane to reduce dissolved impurities that many standard filters cannot remove, delivering exceptionally pure drinking water.
Better Cooking & Brewing
Reduces the taste and odour associated with tap water so your coffee, tea and home-cooked meals taste their best.
Eco-Innovation
BWT is a global leader in water technology, helping reduce reliance on single-use plastic bottles while supporting a more sustainable way to enjoy clean drinking water.
Precision Engineering. Professional Execution.
Professional Installation by Perth-Licensed Plumbers
A high-performance reverse osmosis system deserves professional installation to ensure it performs at its best. Our Perth-licensed plumbers install your system with care, ensuring the correct water pressure, secure fittings, and reliable integration with your dedicated filtration tap or 3-way mixer from day one.
As a Perth-based team, we understand local water conditions and pressure requirements, helping ensure your BWT system delivers a steady supply of clean, filtered water every time you turn on the tap.
Peak Performance, Managed by Experts.
Simple, Hassle-Free Maintenance
Keep your system performing at its peak with our simple service options:
The Professional Service ($400)
Our technicians handle the heavy lifting—replacing pre-filters and carbon blocks, sanitizing the system, and testing your RO membrane to ensure it’s still hitting peak purity marks.
DIY Replacement
BWT’s “Easy-Click” technology allows you to order genuine replacement cartridges and swap them out cleanly yourself in seconds.


