4-inch Back Draft

Introducing our antidraft duct insert, specially designed to optimize airflow control and ensure efficient operation in a range of home HVAC applications, including range hoods, bathroom fans, and more. This high-quality insert provides effective protection against drafts and prevents backflow, guaranteeing a reliable and airtight seal.

Featuring outer rubber gaskets, this antidraft insert creates an airtight seal and secure grip between the damper and ducts. This ensures optimal airflow control while eliminating any potential leaks or unwanted air entry, improving the overall efficiency of your ventilation system.

Designed for versatility, this insert can be mounted horizontally or vertically to suit your specific installation requirements. Its flexible installation options allow for seamless integration into your existing ducting setup. By preventing backflow, it effectively blocks debris from entering the ducting, maintaining cleanliness and minimizing maintenance.

Crafted from galvanized steel, the body of this insert is built to withstand the rigors of regular use. The spring-loaded aluminum damper blades open with minimal airflow, allowing for smooth and efficient operation.

With a fit for 4-inch duct openings, this insert provides compatibility with a wide range of ventilation systems. The product length measures 5.03 inches, ensuring a compact and streamlined installation. The powder coat finish adds durability and a sleek aesthetic to the insert.

Enhance your ventilation system with our reliable and versatile antidraft duct insert. Its outer rubber gaskets, flexible mounting options, and robust construction ensure optimal airflow control and protection against backflow. Upgrade your range hoods, bathroom fans, and other home HVAC applications with this high-quality antidraft insert.