VENO Classic Aquarium CO2 Regulator with Single Gauge, One Bubble Counter

PRODUCT FEATURES * Please note that his regulator doesn't include a solenoid valve, so it is a 24 hours running regulator. It fits North American CO2 cylinder with CGA320 adapter. * Made of premium aluminum with blue coating, this regulator has a fine tuning valve that can precisely control the CO2 output and also has a bubble counter that can easily set 1 bubble for every 2-3 seconds. * One single gauge clearly display the working status of the CO2 system. Leaking gas or excessive pressure is clear at a glance. * Build-in Check Valve is included to prevent water flow back into the regulator and CO2 cylinder. Maximum Inlet pressure- 1500 psi. Maximum outlet Pressure: 1-45 psi. DIMENSION Size - 2.5 in (W) X 3 in (D) X 4.1 in (H) Weight - 11oz US standard CGA320 connection WARRANTY *One Year Manufacturer Warranty, Free Tech Support from Atlanta, GA.