Backdraft Damper 28" - 411-STD 28 411-STD 28

This Backdraft Damper 28in is a reliable solution for horizontal mount exhaust applications, ideal for use in roof curbs, ductwork, or wall collars when a fan or power roof ventilator is used. The galvanized steel frame with aluminum blades features a felt seal on the leading edge for quiet closing and weather protection. Spring-assisted blades open quickly, ensuring efficient airflow. Made in the USA, this durable damper is perfect for various applications, including commercial and residential buildings, and is designed to provide years of trouble-free service. Its compact size and lightweight design make it easy to install and maintain.

Top product features:

• Spring assisted to allow the blades to open quickly.
• The blades have a felt seal on the leading edge for quiet closing and better protection from the weather.
• The frame is galvanized steel with aluminum blades.

Top product applications:

• Roof curbs
• Ductwork
• Wall collars