Home reverse osmosis water treatment the way it's supposed to be. 5-Stage state of the art design for fast and easy installation combined with a 50 gallon per day membrane for a continuous supply of water for the whole family. NSF and California certified to ensure the health and safety of your drinking water. The system comes backed by the Watts 130 years of industry experience and quality. To ensure ease of installation and maintenance Watts Premier have here on staff a full customer service and technical support team you can call for assistance. Sold as 1 unit each. Revolutionary manifold design. Eliminates 17 connections to install. Larger filter capacity, now 50 gallons per day instead of 24. Certified to remove nitrates. NSF certified standard 58. Includes air gap faucet to meet plumbing codes. Easy to install. Boxed . Distributed by Watts. This Reverse Osmosis Filtration System was one of the first systems on the market. This water filtration system provides great water quality. This system installs under your sink. The storage tank provides you with enough water for your daily use. Changing the filters is as simple as removing the filter housings by unscrewing the filter bowls, dropping in your new filters, and then screwing back on the filter housings. Features Reduces chlorine taste and odor, arsenic, lead, perchlorate, cysts, cryptosporidium, giardia, entamoeba and more High quality lead free faucet 5 stages of filtration NSF certified Meets all plumbing codes 3 gallon storage tank Adapt-a-valve automatic shut off valve Chrome air-gap faucet Full set of filters 50 GPD membrane MFG brand premier NSF listed Certified by WQA to NSF/ANSI 372 lead free Certified by WQA to NSF/ANSI 58 certified reverse osmosis units Made in the USA Can be installed on a refrigerator Manufacturer provides 1 year limited warranty Product Details Product Type: Reverse-osmosis Lead Free: Yes Filter Component: Filtration system Contaminant Removal: Chlorine taste and odor; Lead Product Warranty: 1 Year warranty Weights & Dimensions Overall Product Weight 24.8 lb.