Air filter @ FurnaceAC or only @ Intake Air Vent? -

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

Air filter @ FurnaceAC or only @ Intake Air Vent? - This is a return air box with filter grille and filter with a 14 round adapter for 14 flex duct which can be installed in a ceiling or side wall

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 of the green knight slot -deep filter The topside of the box is covered with sheet metal with a duct near the middle What this means is that air being pulled into the

Southwark SBF30 return air support box for 24 x 8 duct with filter slot

return linear slot diffuser The 16x25x1 filter normally drops into a slot in the short horizontal run between the air intake downward duct and the furnace itself There

case, they can be used in thousands of applications I hope as well filter slot within