Brand Name: ZHIYANG
Power: None
Product Line: Aquarium Water Check Valve for CO2 Equipment - Dioxide Cylinder
Tube Calibre: Diameter 4mm
Function : To stop water come into CO2 Equipment - Dioxide Cylinder
Attention 1: This CO2 Check Valve only to work for CO2 Equipment - Dioxide Cylinder
Attention 2: Please do not use CO2 Check Valve to work with Air pump Air Compressor