Good Filter for Confined HVAC System

furnace filter slot cover   Dan furnace filter slot

I'm trying to put a new air filter in my furnace and it keeps getting stuck on something and ripping the outside cover? What do I do?

: magnetic furnace filter cover AllergyZone - FilterLock Filter Slot Seal – Seal Cover for Any 1” Furnace Filter,  The FilterLOCK covers and seals the standard 1” furnace filter slots The overlapping two-piece design allows for filter slots measuring up to 25” in width

av rion Return Grill covering for furnace filter If you don't have an existing filter, measure the filter slot or frame in your furnace  The furnace filter slot is located between the return air duct and your In that case, you would likely opt for a MERV 8 filter or higher Before