Universal ABS Bathroom Exhaust Fan Backdraft Damper for 75/100mm Pipes

Material: Constructed from durable ABS plastic, ensuring long-lasting performance and resistance to corrosion in humid bathroom environments.

Function: Effectively prevents backflow of air, odors, and pests through ventilation ducts, maintaining a fresh and clean indoor atmosphere.

Compatibility: Designed for universal fit with 75mm and 100mm diameter ventilation pipes, suitable for various exhaust fan systems.

Installation: Features a simple and straightforward installation process, allowing for quick integration into existing ductwork without special tools.

Design: Equipped with a reliable check valve mechanism that opens with airflow and closes automatically when the fan is off.