The compact 3 Stage R/O is a system designed for small kitchens where quality water is required and space is of major concern, it has a 80 gallon per day membrane, 1x USA 5 micron carbon sediment filter,1 x USA 1 micron carbon with cyst reduction final filter, 1x QF long reach faucet, 1 x shutoff valve, 1 x check valve, 1 x restrictor valve,1 x drain clamp,1 x 8 litre steel holding tank and brass fittings needed for installation