Damper Check Valve Pipe Check Valve Pipe Draft Blocker Air Duct Check Ventilation Check Valve

Label:Yes Application: Bathroom ventilation fan Role: Preventing reverse irrigation, preventing mosquitoes Material: PVC Size: 80mm/ 100mm/110mm/ 125mm/ 150mm 100% Brand new & High quality

packing include: 1pcs X Air duct check value

Note: 1.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!