Item # bci1471541

Continental Fan Manufacturing Spring Loaded Backdraft Damper for 12" Ducting

Model: BDD300

Finish: Choose Finish
  • N/A
    1033 In Stock

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1033 In Stock

Product Overview

Dampers function as flow regulators and prevent ventilation when not desired, such as when the system is not in use. Let us provide all the accessories needed to install an AXC In-Line Duct Fan or EXT External Mount Exhaust Fan.


  • Neoprene damper seal minimizes leakage
  • 20 gauge steel housing, aluminum spring loaded butterfly damper blades
  • Gasket designed to withstand temperatures from -22° F to 180° F
  • Requires from 0.04 to 0.08 inches wg pressure to open
  • Simple installation in any position, entire assembly inserts into duct
  • Exterior foam gasket assures a tight seal against duct
  • Includes stamped metal sleeve with center pin design
  • Fits 12" Round ducting


  • Diameter: 12"
  • Depth: 6.8"

Continental Fan Company was established in 1986 to manufacture and distribute quality ventilation equipment. Their objectives then were simple… to provide superior products, dependable service, and competitive pricing. They remain unchanged today.

This product is listed under the following manufacturer number(s):

Dimensions and Measurements

6.8 in.
Duct Size
12" Round

Characteristics and Features

Backdraft Damper

Warranty and Product Information

Approved for Commercial Use