The Home Master Artesian Full Contact with Permeate Pump Undersink Reverse Osmosis System delivers exceptional water purity while also adding beneficial minerals that produce clean, great-tasting mineral water on tap. The built-in non-electric permeate pump will reduce water waste while increasing water production. Home Master's innovative design eliminates the most common problems found in traditional RO systems -- canister filter housing leaks, slow flow rate, high water waste, service challenges, and slightly acidic water. Its superior performance has made it one of the best RO systems on the market and it's all backed by a five-year limited warranty. What makes the Home Master Artesian Full Contact with Permeate Pump a smarter choice? Clean, great-tasting water; modular filter design; better water efficiency; easy-to-change filters; and a faster flow rate. Home Master components included in the design and construction of this product meet or exceed NSF standards for material safety and water purification performance. This package contains a fully assembled purification unit that includes the RO membrane and filters, storage tank, 3/8-inch feed-water adapter with shut off valve, chrome RO faucet, RO adapter, drain saddle, and instructions. Backed by a five-year limited warranty.