2 PCS Stainless Steel One Way Check Valve,Air CO2 Line Tubing Regulator for Anti-Backflow Non-Return in Aquarium System

Our one way check valve can prevent the aquarium from water flowing back, which is caused by the decrease, and keep the function and service life of Carbon dioxide bottle. The one way check valve is suitable for CO2 supply system in fish tank, aquarium and others. Made from premium stainless steel materials break and rust resistant and cleans easy.Small and compact, about 4cm long. Suitable for CO2 with pressurized system, not for air pumps. p Feature: /b br One-way professional check valve. Small and compact, about 4cm long. br Easy to install, no other tools are needed. br Can be used for standard aquarium CO2 tubes,suitable for carbon dioxide supply systems in fish tanks, aquariums, etc. – Specification: /b br Material: Stainless steel br Color: As the picture shown br Size: 8 x39mm / 0.31×1.54in (D*L) – Package Included: /b br 2 x Stainless Steel Check Valve

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