PVC Backdraft Damper Round Duct Check Valve Non Return Flap For Bathroom Kitchen Extractor Fan Ventilation Anti Reverse Flow Air Duct Way(200mm)

• 【Prevent Reverse Irrigation】The PVC Fan Check Valve is designed to effectively prevent reverse irrigation, that water flows in direction and backflow.The valve plays a crucial role in maintaining the proper functioning of your kitchen valve and round pipes.
• 【 and Reliable】Made from PVC, this check valve is built to last. Its sturdy construction ensures long-term reliability and resistance against , enhancing its performance and its effectiveness in backflow.
• 【 Prevention】In addition to reverse irrigation, this check valve is also effective in keeping out . Its design and construction prevent the entry of , providing a sanitary and pest-free environment in your kitchen and bathroom.
• 【Multiple Sizes Available】The PVC Fan Check Valve is available in multiple sizes to accommodate various pipe diameters. With options ranging from 80mm to 200mm, you can choose the appropriate size that fits your specific needs and requirements.
• 【Easy Installation】The check valve is and can be conveniently integrated into your existing bathroom fan system. With its simple design and clear instructions, you can quickly and effortlessly set up the check valve and enjoy its benefits.

Feature： * and *For ventilation and ventilation *Extremely material *Role: Prevent reverse irrigation, prevent Details： *Material: PVC *Size: 80mm，100mm，110mm，120mm，150mm，200mm *Color: White *Application: Bathroom fan Package Contents: 1*Check valve