Product Overview
Brand: IRSTBL
Color: Silver
Features:
- Stops Reverse Airflow: Prevents unwanted drafts, odours, and backflow in 4" round ventilation systems, helping maintain consistent indoor temperature and air quality.
- Spring-Loaded Butterfly Valves: Dual aluminium flaps open automatically with outgoing air and close tightly when airflow stops, ensuring dependable one-way ventilation.
- Durable Metal Construction: Made from galvanised steel with corrosion-resistant aluminium flaps for long-lasting performance in high-temperature and humid environments.
- Quiet, Leak-Free Operation: Dual foam gaskets reduce vibration, dampen noise, and create a secure airtight seal in dryers, range hoods, bathroom fans, and extractor ducts.
- Quick Push-Fit Installation: Designed for standard 4" pipes with an integrated clamp ring for easy, tool-free fitting—install horizontally or vertically in minutes.
Details: Ensure smooth, efficient airflow in your ventilation system with the IRSTBL 4-Inch Backdraft Damper. Designed to prevent unwanted drafts and reverse airflow, this one-way backflow preventer is ideal for use in HVAC systems, dryers, extractor fans, range hoods, and ducted vents. Its spring-loaded aluminium butterfly valves automatically open with outgoing air and snap shut when airflow stops to block cold air, odours, and debris. Constructed from durable galvanised steel with corrosion-resistant aluminium flaps, the damper offers excellent heat and moisture resistance for long-term use. Dual foam gaskets ensure quiet operation and a tight, leak-free seal, reducing vibration and noise. With its simple push-fit design and integrated clamp ring, installation takes just minutes—no tools required. A practical, reliable solution for maintaining comfortable, energy-efficient indoor airflow.
EAN: 5061056840304
