VENO Elite Aquarium CO2 Regulator w/ Duo Gauges and Bubble Counter

PRODUCT FEATURES - It fits North American CO2 cylinder with CGA320 adapter. - 110V with US 3 Pin Plug. - 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. - With the included low temperature selenoid valve, it is easier to connect this with a timer to control the working time. 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 - 5.9 inch wide X 6.1 inch High Weight-1.1 lbs US Standard CGA320 connection