Maintain your existing system
Replace the cartridge or set specified for your installed equipment.

Replacement filter benefits
Choose a compatible part and follow the correct maintenance schedule rather than replacing the whole system unnecessarily.
Replace the cartridge or set specified for your installed equipment.
Check the model, dimensions and connections. A similar appearance does not establish compatibility.
Review what is included before ordering. Shipping is included Australia-wide.
What's included
This is a replacement-filter listing, not a complete tap, cooler or under-sink system.
A replacement set made for Purest reverse osmosis systems, as described on the product page.
The product description references membrane and pre/post filters reaching the end of their service life.
Designed to be replaced on the recommended service cycle for your Purest RO system.
Professional installation is available in Melbourne metro if you want help fitting the replacement set.
Replacement and care
Use the instructions for your exact system. Arrange professional assistance when required.
Match the model, dimensions and connections, not just the product photo.
Use the specified isolation, replacement, flushing and restart procedure. Stop and seek help if the correct procedure is unclear.
Keep the maintenance record and follow the next replacement interval specified for your system.
Product supply is available Australia-wide. Installation, setup and servicing are available in Melbourne metro.
Before you buy
Use your installed filter label and system instructions to compare replacements.
Compatibility
Use the product details and your installed filter label for the exact technical specification.
Ready to replace your filter?
Order the Purest RO replacement filter set above for your Purest reverse osmosis system. Still choosing an RO system? Compare the reverse osmosis system. Need scheduled help? Add servicing plans, or compare the sediment and carbon filter combo for standard twin systems.