Pentair OMNIFIlter OT32 Water Filtration System, 10" Premium Dual-Stage Undersink Filter System, Includes Dual Housings with Bracket, RS14 Sediment and CB3 Carbon Cartridges and All Hardware is a premium two-stage undersink filtration system that reduces sediment and over 50 chemicals including Lead, Mercury, Cysts, VOC, MTBE, and poor tastes and odors from your drinking water. It has quick-connect fittings for easy installation under your kitchen sink with 1/4" tubing and comes with a separate drinking water faucet. This complete filtration system includes Dual Filter Housings with CB3 Carbon and RS14 Sediment Cartridges, Chrome Faucet, 1/4" Tubing, OW30 Wrench, and Mounting Bracket with screws and fittings. It is NSF/ANSI Standard 53 certified to reduce cysts such as Cryptosporidium and Giardia by mechanical means. It has 400-gallon capacity. Replace cartridges every 6 months or when you notice a drop in water pressure or water quality.