Yescom 5-Stage 50 GPD RO Water Filter System Reverse Osmosis Filtration for Home Drinking Aquarium 5-stage Water Filter System, offers up to 50 Gallons Per Day in bottled water quality Refreshing, Crisp Taste Superior to Bottled Water Dimensions: RO Unit 14-1/6"L x 9 "D x 19"H Operation Temperature: 37&deg;F to 104&deg;F, Maximum temperature 40&deg;C System Operating Pressure: 45 PSI to 75 PSI