Vents KOM 150 U Spring-Loaded Backdraft Damper - 6-Inch Duct The Vents KOM 150 U Spring-Loaded Backdraft Damper is engineered for 6-inch round duct systems, providing reliable protection against unwanted air backdrafts, insects, and outdoor debris when your ventilation system is not in use. Reliable Backdraft Prevention This spring-loaded backdraft damper automatically opens with airflow and closes securely when the fan is off, ensuring a tight seal that prevents backdrafts and heat loss. The precision-balanced aluminum blades and internal spring mechanism deliver smooth, dependable operation in any ventilation setup. Durable, Airtight Construction Crafted from 24-gauge galvanized steel, the KOM 150 U features noise-reducing foamed rubber seals for enhanced airtightness and vibration control. Its corrosion-resistant design guarantees long-lasting performance in both residential and light-commercial applications. Installation is fast and straightforward - simply insert into a standard 6-inch duct, secure in place and you're good to go. What makes a Vents Backdraft damper special? Read our Blog here. Ideal for Multiple Applications Bathrooms and kitchens Garages, laundry rooms, and workshops Cottages, apartments, and tiny homes Product Features Compatible with 6-inch round ducts Spring-loaded aluminum blades for positive closure 24-gauge galvanized-steel housing for strength and longevity Foamed rubber seals for airtight fit and quiet performance Corrosion-resistant, easy-to-install design Contractor & Bulk Pricing Working on a large project? We support contractors, builders, and developers across North America. Call us toll-free or email our sales team - we’ll get you great pricing for your project.
