The Master Flow 4 in. 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.
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 applicationMaster Flow 4 in. Round Duct Cap
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