Replacement Filters for Reverse Osmosis & Water Filtration Systems Replace filters and membrane regularly to experience the Highest Quality Water and Optimum Performance from your RO system. Includes 5 Micron Sediment Filter to Remove Dirt, Rust, and Sediment from water, as well as (2) Carbon Block Filters to remove chlorine, taste and odors, and (1) Final Carbon-GAC Polishing Filter to refresh the flavor of the water when being dispensed from the tank to the faucet. New! Now includes Universal Post Filter Connections! Use QC adapters (included) for direct-connect to 1/4" tubing, or remove adapters for use with 1/4" threaded fittings. Ordering Filters in Packs gives you Substantial Savings compared to ordering individually. Use with AMI AAA-1005, AAA-505, or any 5-stage Home RO with Standard Housings. This filter kit containspre and post filters only (membrane not included) and is intended for the semi-annual filters change-outs (between membrane replacements) or if the membrane is purchased separately.