LilyStore Round ABS Exhaust Check Valve sku-18137520698

LilyStore sku-18137520698 is an 80-200mm round ABS exhaust pipe check valve in HVAC Ducting and Ventilation. It is designed for kitchen range hood ducts, washing rooms, aluminum foil tubes and fans. The valve helps keep mosquitoes and odors from entering through the duct while allowing ventilation airflow. Its ABS material resists corrosion, and the smooth design is intended for easy installation.