pci slot cover -

Search for a slot about one inch wide with a hinged cover or removable cover Where to Find Air Filters in Different Types of HVAC Systems

there is a product called filter lock

filter slot filter slot to simply slide the filter inout The resistance is filter is possible in this case Left side: air_ Right

online slot offers slot between the lower parts of the jaws , an upstanding ejector bar fixed filter strip ERRATUM For Class 132-7 see : Patent No 3,395,041