HIGH-PERFORMANCE RO MEMBRANE - 75 GPD reverse osmosis membrane ensures superior filtration, reducing TDS by up to 97% under NSF/ANSI 58 testing conditions COMPLETE REPLACEMENT PACK - Includes high-capacity replacement filter cartridges compatible with most standard 5-stage RO systems for optimal water purity CLEANER, BETTER-TASTING WATER - Enjoy fresh, safe, and great-tasting water every time, with crystal-clear ice cubes, fresher tea and coffee, and healthier baby formula—better than most bottled water 5-STAGE FILTRATION SET - Includes (1) sediment filter, (1) granular activated carbon filter, (1) carbon block filter, (1) 75 GPD RO membrane, and (1) post-carbon filter, all in standard 10" x 2.5" sizes EASY FILTER REPLACEMENT - The updated FT15 post-carbon filter features a secure push-fit quick connection for faster, hassle-free installation. Refer to the user manual or contact us for support