We've updated your selection

    Master Flow   12 in. Inline Damper

    Set your store for local inventory & pick up options.
    • Description
      Model
      ILD12
      Internet/Catalog:
      204090970

      Master Flow Dampers balance and adjust the air flow in individual runs of round pipe in HVAC systems. Our In-Line dampers make it easy to install in an existing run of pipe. It can be installed in a new or an existing duct run.

      • Galvanized steel construction
      • Helps to control airflow in a run of pipe
      • Always seal seams with building code approved sealant or duct tape
      • Always insulate ductwork for greater system efficiency and comfort
      Info & Guides
    • Specifications
      Duct Type :
      12" Round
      Gauge :
      30
      Insulated :
      No
      Material :
      Galvanized Steel
      Product Depth (in.) :
      12
      Product Height (in.) :
      8
      Product Length (in.) :
      12
      Product Width (in.) :
      12
      Returnable :
      90-Day
    • Reviews
      (3)

      Ratings & Reviews

      100% of customers recommend this product
      4.7
      Out of 5:
      5
      [2]
      4
      [1]
      3
      2
      1
      QUALITY:
      VALUE:
      5.0
      5.0
      • Damper works well
      • June 22, 2016
      • Verified Purchase & Recommended Product

      I needed to block the air conditioning into a small room that didn't have a thermostat. The product works as expected.

      Pros Easy to Install

      Doug

      Fridley, Mn
      35 to 44, Male
      more details...
      By: Doug
    • Shipping & Delivery Options

      Shipping options for [zipcode] (change)

      Arrival dates and shipping costs shown above are estimates.See exact dates and costs and select your preferred shipping option during checkout.


      EXPRESS DELIVERY FROM STORE:

      Express Delivery from Store is available for items currently in stock at a The Home Depot store within a delivery ZIP code. A driver from a local store will deliver the item(s).


      Outside Delivery:  Service includes delivery to area outside the house which is accessible by delivery equipment.


      Threshold Delivery: Service includes delivery across your first doorway or threshold (ie. garage, backyard, deck, first room of the home).


    This item cannot be shipped to the following state(s): AK,GU,HI,PR,VI

    Find More Dampers TAP TO FILTER