Master Flow 8 in. Damper-D-8 - The Home Depot

Master Flow

Model # D-8

Internet # 100396930

Store SKU # 351423

8 in. Damper

Master Flow 8 in. Damper

This item has been discontinued.
The Home Depot no longer carries this specific product.

$4.45 / each


Model # D-8

Internet # 100396930

Store SKU # 351423

Store SO SKU # 755578

Master Flow Dampers balance and adjust the air flow in individual runs of round pipe in HVAC systems. Our dampers include hardware that make it easy to install into existing round pipe as well.

  • Spring-loaded hardware for easy mounting into existing round pipe
  • Galvanized steel construction
  • Helps to control airflow in a run of pipe
  • Always insulate ductwork for greater system efficiency and comfort
  • Minimum temperature rating of -100 degrees Fahrenheit

Info & Guides

You will need Adobe® Acrobat® Reader to view PDF documents. Download a free copy from the Adobe Web site.


Assembled Depth (in.)  8 in  Assembled Height (in.)  0.25 in 
Assembled Width (in.)  8 in  Product Diameter (in.)  8 in 
Product Length (in.)  0.25 
Duct Type  8" Round  Gauge  30 
Insulated  No  Material  Galvanized Steel 
Returnable  90-Day 
Warranty / Certifications
Certifications and Listings  No Certifications or Listings 


Rated 5 out of 5 by 1 reviewer.
Rated 5 out of 5 by 8 in dampers The dampers worked as described and desired. I was not able to purchase this item directly in the store so this online was helpful. December 24, 2013
1-1 of 1


Standard Shipping includes delivery by small parcel service. Processing time varies by product.

Orders for this item may be expedited for an additional fee.

Other Delivery Options:

Express and Expedited shipping options are also available. Estimated arrival times are available in checkout.

If product is eligible for shipping to AK, HI and US Territories additional transit time and remote surcharges may apply.