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Detail
The trim-to-fit plenum has an inside measurement of 20 in. W x 20 in. D x 46.5 in. H. and is designed for use with all forced-air heating and cooling applications. Constructed of 26 gauge sheet metal, 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.