You are purchasing a complete replacement set of RO Unit filter cartridges, suitable for all 3 stage RO Units. This kit contains 1 x sediment filter, 1 x carbon block filter, and 1 x RO Membrane.

Please select the gallon per day (gpd) rating of your membrane from the drop down menu above when ordering.

These filter cartridges fit a standard 10" RO Unit canister housing, and the pre filters should be replaced every 6 months in order to keep your RO unit working at its best.