NEW 5pcs/set Aquarium Fish Tank Air Pump Check Valve One Way Non-Return Valve

High-concerned chemical：None Structure：Plug Port Size：- Material：Plastic Model Number：One Way Check Valve Origin：Mainland China Certification：NONE

High-concerned chemical: None Structure: Plug Port Size: - Material: Plastic Model Number: One Way Check Valve Origin: Mainland China Certification: NONE