3M Purification introduces the 3M Pro Reverse Osmosis Drinking Water Filtration System. The 3M Pro RO helps provide cleaner, better tasting water using multi-stage filtration and also includes a high-pressure booster pump for increased production. The addition of the booster pump gives the 3M Pro RO a consistent pressure of 100 psi and the ability to deliver 36 to 50 gallons of clean, great tasting water per day.