Product Details : Description: 1) Capacity: 400G, 600G, 1000G, 1600G. 2) Source water: City Water 3) Power: 350W(for 400G & 600G), 450W(for 1000G), 550W(for 1600G) 4) RO membrane from USA 5) Ozone: 300mg/hr 6) Recycle ration: 35%40%(for 400G &600G) 40%-50%(for 1000G, 1600G) 7)Filling Flu: 5.4L/M 8) Water tank and faucet: Stainless steel #304 9) 20mm luxury stainless steel waterproof frame, 50mm fiberglass front door-open design, safe and sanitation, durable, easily install and maintain 10)Adopts Eight(or Nine) stage filtration to treat water to ensure the output water quality 11)Intelligent technology and IC card induction selling control technology to ensure the charge precision is up to dollar 0.01( Bill Validator is optional).