BXQINLENX 600L/H 19W DC12V CPU Cooling Heat Exchanger Water Pump Tank 186 ml CO2 Cooler 158.5 GPH (600L/H) 19W, perfect for CPU cooling system. Threaded connections: G 1/4" input and G 1/4" output. Head: max 5 Meter, Working life: 50000 hours Water tank capacity: 186 ml, 100% brand new and Three month warranty.