PVC Fan Check Valve for Bathroom and Kitchen Ventilation, Round Pipe Backdraft Damper for Exhaust Airflow Control, 80mm 100mm 110mm 120mm 150mm 200mm, White(200mm)

PVC FAN CHECK VALVE: Prevents backdraft and maintains fresh air flow in bathroom or kitchen ventilation systems

LONG LASTING: Made from chemical-resistant PVC superfičies to withstand moisture and erosion for reliable performance

QUICK INSTALLATION: Compatible with round pipes 80mm to 200mm, fits standard fan ducts with secure sticky For crystal seal

AVOIDING For ODOR-RESISTANT: Blocks reverse airflow to stop unwanted smells and contaminants from re-entering the space

SUITABLE FOR GENERAL USE: Works efficiently with exhaust fans in residential or commercial settings while traveling or at home