AirScape Return Air Filter Box With Grille

Take advantage of the durable 30-gauge zinc-coated, galvanized steel construction of this Master Flow 20 in x 25 in Return Air Box to equip your HVAC

Snappy™ SBF36 Return Air Support Box with Filter Drawer, 36x28x15 in D, Steel, Galvanized ; Depth: 15 ; Finish: Galvanized ; Length: 36 in ; Material: Steel ; Width:

return of kong slot The air handler is a large metal box that houses the fan and its motor The filter usually fits in a slot on the air return side of the unit

return of the dead slot A duct filter box designed for use with inline fans to circulate fresh air and block contaminants Built with 1mm thick cold-rolled steel and aluminum duct