Rectangular

Cold air returns provide a pathway for air to return to a furnace to be reheated.

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Fit your ductwork project together with our selection of rectangular duct fittings.

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Save BIG on our selection of rectangular ducts, available in a variety of sizes.

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Shop our selection of rectangular filter frames, available in a variety of sizes.

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Rectangular plenums are available in a variety of sizes to meet your project need.

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Rectangular reducers/increasers are used to change the diameter of rectangular duct pipes.

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Save BIG on our selection of rectangular wall stack fittings, available in a variety of sizes.

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