Air Conditioner Drain Pipe Valve Easy to Install Sturdy Air Conditioner Parts

High-concerned chemical : None Shape : Square Material : Plastic Origin : Mainland China Certification : None MainKey1 : Air Conditioner Valve MainKey2 : Air Conditioner Drain Pipe Check Valve Backflow MainKey3 : Check Valve for Central AC Wall Mounted AC MainKey4 : Air Conditioning Condensate Check Valve MainKey5 : No Return Valve for Backflow Prevention AC MainKey6 : Drain Pipe Anti Odor Anti Backflow Check Valve