Vents KOM 150 U 6 inch Backdraft Damper

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.