Supply Air Plenum, 13 x 19 x 36 in, For GE A Cabinet

Supply Air Plenum, 16 x 20 x 36 in, For GE & RUUD B Cabinet / 17 in

Supply Air Plenum, 11-5/8 x 20 x 36 in, For GE Connect

Supply Air Plenum, 14-1/2 x 19-1/2 x 36 in, For GE 21 in Air Handler

Supply/Return Air Plenum, 19-1/8 x 11-1/8 x 36 in, For GE Large Packaged Unit

Supply Air Plenum, 20 x 20 x 36 in, For RUUD 21 in Cabinet With Aspen Coil

Supply Air Plenum, 19 x 22 x 36 in, For RUUD 21 in Cabinet With Aspen Coil

Return Air Plenum, 20-1/4 x 23-1/2 x 24 in, For GE C Cabinet

Supply Air Plenum, 19-3/4 x 20-1/4 x 36 in, For RUUD 21 in Cabinet With Aspen Coil

Supply Air Plenum, 14-1/2 x 16-1/2 x 36 in, For GE 17 in Air Handler