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5 in. Round Duct Cap

5 in. Round Duct Cap

Article Number:
  • $ 490


Sturdy galvanized steel construction . Use to cap off a round or rectangular duct run . Install with sheet metal screws (not included) . Fits most HVAC types for universal application . Seal seams with code-approved mastic, sealant or duct tape (sold separately)

The Master Flow 5 in. D Round Duct Cap, also called a tee-cap or clean-out plug, is constructed of galvanized steel for durability. The duct cap is used to terminate or block off a rectangular duct run in HVAC systems. It can be installed with sheet metal screws (sold separately) and is suitable for most HVAC applications.

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