Valve Home Improvement Ventilation Check Valve Air Duct Check Pipe Check Valve Pipe Draft Blocker

Label:Yes Size: 80mm/ 100mm/110mm/ 125mm/ 150mm 100% Brand new & High quality Application: Bathroom ventilation fan Material: PVC 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!