B Width Air Handler Return Support Plenum Box NO FILTER RACK (18 X 22 X 22.5) $152.43 $92.98 Add to Cart
C Width Air Handler Return Support Plenum Box NO FILTER RACK (21 x 22 x 22.5) $157.66 $96.17 Add to Cart
D Width Air Handler Return Support Plenum Box NO FILTER RACK (24 X 22 X 22.5) $160.59 $97.96 Add to Cart
B Width Air Handler Return Support Plenum Box With 18x20x1 Filter Rack (18 X 22 X 22.5) $245.09 $149.50 Add to Cart
C Width Air Handler Return Support Plenum Box With 20x20x1 Filter Rack (21 x 22 x 22.5) $264.75 $161.50 Add to Cart
D Width Air Handler Return Support Plenum Box With 24x20x1 Filter Rack (24 X 22 X 22.5) $306.36 $186.88 Add to Cart
B Width Air Handler Supply Plenum (12.13 X 16.5 X 36) Details B Width Air Handler Supply Plenum (12.13 X 16.5 X 36) $88.31 $53.87 Add to Cart
C Width Air Handler Supply Plenum (12.13 X 21.5 X 36) Details C Width Air Handler Supply Plenum (12.13 X 21.5 X 36) $93.77 $57.20 Add to Cart
D Width Air Handler Supply Plenum (12.13 X 22.75 X 36) Details D Width Air Handler Supply Plenum (12.13 X 22.75 X 36) $96.57 $58.91 Add to Cart
21 in. Air Handler Return Plenum Plates (Pair) Details 21 in. Universal Plenum Plates $152.43 $92.98 Add to Cart
B Width Air Handler Return Support Plenum Box NO FILTER RACK (18 X 22 X 22.5) Details B Width Air Handler Return Support Plenum Box NO FILTER RACK (18 X 22 X 22.5) $152.43 $92.98 Add to Cart
C Width Air Handler Return Support Plenum Box NO FILTER RACK (21 x 22 x 22.5) Details C Width Air Handler Return Support Plenum Box NO FILTER RACK (21 x 22 x 22.5) $157.66 $96.17 Add to Cart
D Width Air Handler Return Support Plenum Box NO FILTER RACK (24 X 22 X 22.5) Details D Width Air Handler Return Support Plenum Box NO FILTER RACK (24 X 22 X 22.5) $160.59 $97.96 Add to Cart
B Width Air Handler Return Support Plenum Box With 18x20x1 Filter Rack (18 X 22 X 22.5) B Width Air Handler Return Support Plenum Box With 18x20x1 Filter Rack (18 X 22 X 22.5) $245.09 $149.50 Add to Cart
17.5 in. Air Handler Return Plenum Plates (Pair) Details 17.5 in. Universal Plenum Plates $263.74 $160.88 Add to Cart
C Width Air Handler Return Support Plenum Box With 20x20x1 Filter Rack (21 x 22 x 22.5) Details C Width Air Handler Return Support Plenum Box With 20x20x1 Filter Rack (21 x 22 x 22.5) $264.75 $161.50 Add to Cart
18.5 in. Air Handler Return Plenum Plates (Pair) Details 18.5 in. Universal Plenum Plates $306.36 $186.88 Add to Cart
D Width Air Handler Return Support Plenum Box With 24x20x1 Filter Rack (24 X 22 X 22.5) Details D Width Air Handler Return Support Plenum Box With 24x20x1 Filter Rack (24 X 22 X 22.5) $306.36 $186.88 Add to Cart
