LiquaGen - Antioxidant pH Mineral Water Filter : Alkaline/ORP Negative/KDF 55 | Post Membrane for Reverse Osmosis - 2" x 10" | Made In USA RO Filter Systems remove essential minerals from our body Great add on for any water system and refrigerators. 100% handcrafted in the usa Receive the quality of expensive bottled water at a fraction of the cost Super easy & convenient installation. Includes 2 connectors and 2 clips