The Sands CRO 50A is a stainless steel RO water cooler designed for commercial and institutional drinking water supply. It features a multi-stage purification system including 20-inch 0.20-micron PP pre-filter, 0.5-micron PP pre-filter, activated carbon block filter, 100 GPD RO membrane (5 nos.), post-carbon filter, and 2 booster pumps. The cooling system uses a Kirloskar/Thermax compressor with a 50L SS 316 storage tank providing 30 LPH chilled water at 10-20°C. Automatic solenoid flushing and floating switch ensure maintenance-free operation.