Fresh Air PVC Duct Non-Return Check Valve for Bathroom Ventilation and Exhaust Fan

This innovative non-return check valve is designed to enhance bathroom ventilation and exhaust fan efficiency. Crafted from durable PVC, it prevents backflow of air, maintaining a fresh and pleasant environment. Easy to install, it ensures optimal air circulation by allowing air to flow in one direction only, effectively preventing unwanted odors and moisture from re-entering the bathroom. Its robust construction provides long-lasting performance, making it an essential component for any bathroom ventilation system. Series: Check valve - suitable for 75/110 pipe cap, Check valve - suitable for 160 pipe vent cap, Type 80 ABS check valve (connects to 80 hose/75 PVC pipe), Type 100 ABS check valve (connects to 100 hose), Type 110 ABS check valve (connects to 120 hose/110 PVC pipe), Type 150 ABS check valve (for 150 hose), Type 200 ABS check valve (connects to 200 hose duct), Type 160 ABS check valve (connects to 170 hose/160 PVC pipe), 75 type pvc pipe check valve internal insertion, Type 110 PVC pipe check valve insert, Type 160 PVC pipe check valve internal insert, Type 180 PVC pipe check valve spigot, 200 type pvc pipe check valve internal insert Manufacture country: China Instructions included: No