Big Brand CML series commercial reverse osmosis systems are for tap water use or well water with pre-treatment. The CM Lite series commercial reverse osmosis comes with a built in recycle package that recovers 33% of the water fed to the system. This level is non-adjustable is will accommodate water of 15-20 gpg hardness without a softener. Available in 110 and 220 volt single phase models. The CM Lite series commercial reverse osmosis is great for car washing, detail shops, restaurants, fish stores, and other users of 50-500 gallons of purified water daily.