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.

Knock-down design makes it easy to handle and transport to the job site

May be cut in the field to the proper width and height to customize installation

Kit includes 4 trim able sides and 1 trim able top; requires sheet metal screws， supplied in the field， to secure assembly

Designed for use with all brands of equipment with outlet openings up to 20 in. W x 20 in. D