Stainless Steel Check Valve for CO2 equipment 4mm Aquarium Water Valve Non Return Water to CO2 System Diffuser Dioxide Cylinder Aquarium Check Valve for CO2 System Setup Anti-Leak Non-Back flow Non-Return Fishtank CO2 Diffuser Air Valve

neverelse. To stop water come into CO2 Equipment-Dioxide Cylinder. Material: Stainless steel. Air Inlet/Outlet Tube Calibre: Diameter4mm. Size: Dia4mm x 4cm Length. Attention: FOR CO2 SYSTEMS ONLY Please do not use this CO2 Check Valve to work with Air pump Air Compressor. This CO2 Check Valve only to work for CO2 Equipment-Dioxide Cylinder. 1 Product Specifications: Item: Brand New Aquarium Water Check Valve for CO2 Equipment-Dioxide Cylinder. Material: Stainless steel. Air Inlet/Outlet Tube Calibre: Diameter4mm. Size: Dia4mm x 4cm Length. Attention: FOR CO2 SYSTEMS ONLY Please do not use this CO2 Check Valve to work with Air pump Air Compressor. This CO2 Check Valve only to work for CO2 Equipment-Dioxide Cylinder. 2 Product Features: To stop water come into CO2 Equipment-Dioxide Cylinder, as picture below: 3 Product Pictures: 4 Package including: 1pc Aquarium Water Check Valve for CO2 Equipment. 5 Service: 1. Original Global Standards High Level Quality in our Store to maintain high