Universal PVC Bathroom Check Valve: 75/90/110 Pipe Backflow Preventer for Bath Heater Exhaust Fan Vent

This versatile PVC bathroom check valve is designed to prevent backflow in your bath heater exhaust fan vent system. It is compatible with 75, 90, and 110 pipe sizes, making it a flexible solution for various ventilation setups. Crafted from durable PVC material, this valve ensures efficient performance and longevity, effectively blocking unwanted backflow and keeping your bathroom environment safe and functional. Ideal for both residential and commercial applications, it offers easy installation and reliable operation. Structure Type: Straight-through Drive Mode: Air pump Use: Check Manufacture country: China Instructions included: No