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1. Air King #ad
Air King E-22A 7-Inch Round Collar with Back Draft Damper #adAir King #ad
- Use with qz2 and dS Series hoods for vertical round ducting. 7-inch diameter and fits 7-inch round ducting. Prevents outside air from penetrating the home. Features an aluminum construction. Comes with a 1-year limited warranty.
|Brand||Air King #ad|
|Manufacturer||Air King #ad|
|Warranty||1 Year parts only|
2. ALDES #ad
7 Inch Round Spring Loaded Backdraft Damper by American ALDES #adALDES #ad
- Minimal pressure to open. May be installed in any position or orientation to prevent backflow and designed for use in AC, Heating, Vent and other HVAC application temperatures from -22 to 180 degrees F Fahrenheit. Highest rated Premium Airflow Control Backdraft Dampers.
Available in 4", 7", 10", 5", 8", 6", 12", 14" and 16". Spring-loaded butterfly aluminum damper blades encased in a 20-guage galvanized steel housing. 004 to 008 in. Extremely easy and secure inline duct insertion installation. W. G. Maximum automatic back flow protection.
|Manufacturer||American Aldes #ad|
|Part Number||99 035|
3. Speedi-Products #ad
Speedi-Products AC-BD 07 7-Inch Diameter Galvanized Back Draft Prevention Damper #adSpeedi-Products #ad
- Consult your local building codes for approved installation practices. Ideal for use with intake or exhaust duct systems. Seal joints with approved duct mastic sealants. Insulate ductwork for improved energy efficiency and comfort.
4. Tamarack Technologies, Inc. #ad
Tamarack TTi-CBD7 Cape Backdraft Damper 7" #adTamarack Technologies, Inc. #ad
- 7" silent backdraft damper, inexpensive, made in the USA, In Line Damper, easy installation into existing ducts.
5. Continental Fan #ad
N/A, Continental Fan Manufacturing BDD175 Gravity Operated Backdraft Damper for 7" Du #adContinental Fan #ad
- Low air leakage design. Install in horizontal or vertical upblast only position. Gravity operated closure. Galvanized steel housing, aluminum butterfly damper blades. Ideal for supply or exhaust applications.
6. Broan #ad
Broan 026715201778 #adBroan #ad
- Includes sound dampening foam for quiet operation. 7" round vertical discharge damper. For use with Broan or NuTone brand range hoods.
7. Broan #ad
7-Inch, Broan BP87 Vertical Discharge Damper #adBroan #ad
- Helps keep your range hood operating at peak performance. Sturdy to use. Made from the highest quality materials. 7-inch vertical discharge damper.