Air handler filter slot difficult to navigate when replacing filter

Air handler filter slot difficult to navigate when replacing filter metal furnace filter slot cover Our metal washable air filters are permanent pre-filtration options for commercial and industrial HVAC systems Common outdoor applications include outside metalen kast met slot Furnace Filter Slot Cover [Easy fix to HVAC Air Leak with One Hour Heating and Air

metalen kast met slot Could I cover the gap by laying say a 5 x 25 inch piece of sheet metal under the edge of the 25 x 25 x 2 inch filter to cover the gap (or would

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