Replacement Cartridge
Genuine replacement cartridges for your post-tank filter system, in slim and large sizes. Swapping cartridges at the recommended intervals keeps your system flowing and filtering as it should. For rainwater use only, not intended for drinking water.
Granular Activated Carbon Slim Cartridge
Multi Action Slim Cartridge
Multi-Action Large Cartridge
Triple Action Slim Cartridge
Sediment Cartridge
Heavy-duty Sediment Large Cartridge
Granular Activated Carbon Slim Cartridge
Triple Action Slim Cartridge
Multi Action Slim Cartridge
Multi-Action Large Cartridge
Heavy-duty Sediment Slim Cartridge
Heavy-duty Sediment Slim Cartridge
Final stage rainwater filtration
The filtration your water needs depends entirely on what you use it for. The same system can deliver water that is fine for the garden or safe for drinking, and the final stage of filtration is where you set that level.
The 12 Steps of Rain Harvesting™
Frequently asked questions
What's the difference between 10 inch and 20 inch cartridges?
Designed by Rain Harvesting™
Need a tailored system design?
Our specialists can design a complete Rain Harvesting™ system for your property or improve an existing one. You’ll receive a detailed report with everything you need to install and maintain it.
The Handbook
The ultimate guide for help and inspiration to start your rainwater harvesting journey today.