75/110mm PVC Exhaust Fan Backdraft Damper Check Valve

Keep unwanted air from flowing back through your ventilation system with this exhaust fan backdraft damper for kitchen and bathroom ducts. Its one-way valve design opens with outgoing airflow and closes afterward to help reduce reverse drafts. The PVC ventilation check valve is available for compatible 75mm and 110mm round pipes, with versions supporting PVC pipe or 80/100mm aluminum foil duct connections. Its compact design makes it practical for new ventilation setups or replacements. Lazada Philippines

Key Features

• air duct check valve helps prevent reverse airflow.
• Available for 75mm and 110mm compatible round ducts.
• Supports several PVC pipe and flexible duct configurations.
• Suitable for kitchens, bathrooms, range hoods, and exhaust fans. Lazada Philippines

Why Choose Our 75/110mm PVC Exhaust Fan Backdraft Damper

This round duct damper combines automatic one-way airflow control, multiple connection options, and easy installation in one compact ventilation fitting.

Perfect For

Bathroom exhaust fans, kitchen ventilation, range hoods, round air ducts, PVC pipes, flexible foil ducts, and home ventilation upgrades.

How to Use

Choose the size and connection style that matches your duct, fit the valve in the airflow direction, and secure all joints firmly to reduce air leakage.

Improve Your Ventilation Setup

Add this practical check valve to help maintain smoother one-way airflow through compatible kitchen and bathroom exhaust systems.