Plastic Pipe Check Valve Durable 80/100/110/150/200mm Round Pipe Draft Blocker Exhaust Fan Hose Proof Valve Kitchen

High-concerned chemical : None Structure : Gate Material : Plastic Model Number : Pipe Check Valve Is Smart Device : No Origin : Mainland China Certification : NONE Material: : Plastic Specification: : 80/100/110/150/200mm Shape: : Round Feature1: : Durable Feature2: : Portable