- Pipe backdraft damper with butterfly valve, designed for seamless integration into exhaust hoses or PVC pipes. Ideal for bathrooms, garages, air conditioning units, fans, extractor hoods, and ventilation systems. - Automatic flap valve ensures one-way airflow, effectively preventing cold air from entering your space. Features an inner rubber seal that enhances tightness and reduces noise for a quieter environment. - Easy installation: Simply push the backdraft damper into the vent pipe until securely in place. For horizontal installations, ensure the spring is positioned horizontally for optimal performance; this also applies to vertical installations. - Constructed from durable PVC, including valve blades and the shaft. The flame-retardant material withstands temperatures exceeding 150 °C, ensuring long-lasting performance and safety. - Use cases: 1. Install in bathroom exhaust systems to prevent drafts and maintain warmth during colder months. 2. Utilize in garage ventilation to keep unwanted cold air out while allowing hot air to escape. 3. Perfect for air conditioning systems, ensuring efficient airflow without backdrafts that can compromise temperature control. Count on our backdraft damper to enhance your ventilation systems while providing reliable performance and energy efficiency.