100 Pcs Home Fish Aquarium Air Pump Check Valve Fish Tank One Way Non-Return Valve Aquarium Co2 System Stop Return Water Valves

It's a great honor for you to visit my store. Good luck with your favorite purchasesBattery Included : No Hign-concerned Chemical : None Material : ABS Plastic Model Number : 04380,04381 Tube Calibre : 5mm Type : fish Origin : Mainland China Power (W) : 4W Product name : 5mm Aquarium Check Valve Size : 5mm Color : Red,Black Application : Aquarium air pump,Garden Irrigation Pump,Fish Tank,etc Sale unit : 100 Pcs