This is the replacement filter set for the Coralife Pure-Flo II (3 canister) Reverse Osmosis System.
These filters should be replaced every 6-12 months, depending on water usage and the quality of your water.
Set includes:
(1)1 micron sediment filter
(1).5 micron carbon block
(1)DI color changing cartridge
The replacement membrane is sold separately since it only needs to be changed every 3-4 years. Click membrane to purchase.