Plenums & Return Air Boots - Ductwork - Sheetmetal

return air support box with filter slot   Dan return to the feature slot

Protect your mailing with packaging products From cushioned envelopes to sturdy cardboard boxes and high quality packing tape

HVAC Plenum & Filter Boxes · 20 X 20 X 30 WFilter Rack Return Air Duct Plenum-26 Gauge, HVAC Duct Work · 90 Degree Elbow 20 x 20 Return Air Support Box with Filter Rack by Southwark Metal Mfg Co

onetouch slot Install the filter media box between the return air plenum and the air handler box 2 Slide the filter into the slot and place the filter return air plenum box is more than adequate to support them properly With the addition of