Improvement Range Hood Air Duct Check Pipe Check Valve Pipe Draft Blocker Ventilation Check Valve

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

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!