Upflow Installation Kit, 17.5"

The trim-to-fit knockdown plenum fully assembled measures 16.5 in. W x 20 in. D x 36 in. H. and is designed for use with 17.5" wide furnaces. The knock-down design of the plenum takes up very little space and simplifies transporting to the job site. Simply measure and cut to size using tin snips to match the supply opening of the air handler, furnace, or evaporator coil. This knockdown plenum is designed to be used with multiple different brands and comes with 4 trimable side and 1 trimable top.

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This return air package features the return air plenum with 1" filter rack and ships knocked down in one carton. The package includes a starting collar, 2 30" duct sections, return air plenum, and 1" filter rack.