... , cooling and heating all functions RO reverse osmosis water purifier for family drinking water system. 50, 75 and 100 gallons day output ... .0001 micron — heart of the r.o. system, produces drinking water at a rate of 45 gallons per dayE.Omnipure Total ... water tankLead free brass faucet (bibcock), long reach, goose neck,Lead free brass check valve. Clog-free, calibrated flow restrictor RO Water Fountain ...