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10 in. x 3-1/4 in. Rectangular Stack Duct Cap

10 in. x 3-1/4 in. Rectangular Stack Duct Cap

Article Number:
  • $ 458


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 10 in. x 3-1/4 in. Rectangular Stack Duct Caps, also called clean-out plugs or tee-caps, simply cap off a round or rectangular duct run. They are primarily designed to terminate or block off a rectangular duct run in HVAC systems. The duct caps are compatible with most HVAC systems and can be easily installed with sheet metal screws (sold separately).

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