Co2 Diffuser Carbon Dioxide Refiner Co2 Refiner Glass Refiner Check Valve

Item Name: Co2 Diffuser Carbon Dioxide Refiner Co2 Refiner Glass Refiner Check Valve. Weight: 50gProduct name: co2 glass refinerSet: 1 glass refiner, 1 suction cup, 1 check valve, 1 glass U-tubeMaterial: glassColor: transparentPackage Include:1 set of Carbon Dioxide RefinerNotice:It's best to soak it before use or fill the cup with water and hang it upside down in the cup. You can use it when there is water in it. *Please make