Description Details A Width Gas Furnace Return Support Plenum Box With 14x25x1 Filter Rack (14 X 28.5 X 20)
B Width Gas Furnace Return Support Plenum Box With 16x25x1 Filter Rack (17.5 X 28.5 X 20) $319.15 $194.68 Add to Cart
C Width Gas Furnace Return Support Plenum Box With 20x25x1 Filter Rack (21 X 28.5 X 20) $344.51 $210.15 Add to Cart
D Width Gas Furnace Return Support Plenum Box With 24x25x1 Filter Rack (24 X 28.5 X 20) $372.96 $227.51 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