Reverse osmosis point of use (POU) water cooler. With patented design reverse osmosis filtration integrated. Superior quality, made entirely from stainless steel. Series OI Integrated reverse osmosis system. Designed for the hardest water types. The water cooler includes a high capacity filtration system that eliminates suspended solids and microorganisms to ensure the highest quality of pure water. It is recommended to use this filtration system in areas where the municipal water supply is of inferior quality and requires a higher capacity filter. Has the same features as model M77ID, but with...