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.
The PC cartridge combines particulate filtration with carbon to help reduce sediment and residual chlorine taste and odour.
This is the cartridge only. Reuse the compatible connection fitted to your system, following its replacement instructions.
Send a photo of your current cartridge and its connection if you need help checking compatibility before ordering.
Check the label and connection on your current cartridge. A similar appearance or a Purest tap alone does not establish that every cartridge will fit.
Designed for compatible single-cartridge Purest Filtered Tap Systems using this PC filter. Send your model details or a clear photo if you are unsure.
This cartridge is for cold-water filtration. Follow the supplied instructions and the operating limits shown on the product label.
The current product guidance recommends replacement every 12 months. Usage and water conditions can require earlier replacement; follow your system instructions.
Ask Purest to check your setup
Follow the instructions for your fitted cartridge and connection, including isolating the water, replacing the cartridge, flushing and checking for leaks. Contact us before proceeding if you are unsure. Ask about a technician visit if you prefer help with the change.
Get help with servicingTwo separate replacement cartridges for systems using separate sediment and carbon filter housings. These are a different format to the PC cartridge.
View productA separate replacement set for the compatible Purest reverse osmosis system. Choose the set specified for your installed RO model.
View productOne PC cartridge combining sediment and carbon filtration. The tap, connection fittings and complete filtration system are not included. Quantity two means two cartridges at the displayed per-cartridge price.
It is the replacement for compatible Purest Filtered Tap Systems using this PC cartridge. Check your current cartridge label and connection. If your system uses two separate cartridges, an RO unit or a different filter, ask us to identify the correct replacement.
Installation is optional and charged separately. Review the current installation option beside Add to cart, or ask Purest for a quote for your postcode and site. You can also buy the system without installation.
The current product guidance recommends a 12-month replacement interval. Water conditions and usage may require earlier replacement. Follow the instructions for your system and ask us if you need help choosing an appropriate interval.
You can replace the cartridge yourself if you are comfortable following the instructions for your fitted system. Isolate the water, follow the replacement and flushing instructions, and check for leaks. Contact our team if you are unsure or would prefer a technician visit.
It combines particulate and carbon filtration to help reduce sediment such as sand, dirt and rust, and residual chlorine taste and odour. Ask for documented performance for any specific contaminant you are concerned about.
The purchase shown here is a one-off cartridge order. Adding it to your cart does not enrol you in recurring payments.
This cartridge is for the cold-water connection of a compatible system. It is not the Purest RO replacement set. Match the cartridge specified for your installed system before purchasing.
Replacement filters are excluded from Purest’s three-year system and installation warranty. If a supplied cartridge has a fault or you need help with a product issue, contact our team and refer to our returns policy.
Ready to replace your filter?
Check compatibility, review the contents above, then add the replacement filter to your cart. Need help identifying it? Contact Purest.