642-S&P model 642 wall cap. Aluminum natural finish, built in backdraft damper. For 3″ or 4″ round duct. 4″ to 3″ transition included.

December 20, 2019
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642-S&P model 642 wall cap. Aluminum natural finish, built in backdraft damper. For 3″ or 4″ round duct. 4″ to 3″ transition included.

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SKU: AAIS-SP-642-S&P model 642 wall cap. Aluminum natural finish, built in backdraft damper. For 3" or 4" round duct. 4" to 3" transition included. Category:

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S&P model 642 wall cap. Aluminum natural finish, built in backdraft damper. For 3″ or 4″ round duct. 4″ to 3″ transition included.

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