Where is the Air Filter in My HVAC System?

AllergyZone AZFL-100 Filter Lock Air Filter SlotDoor Cover filter slot cover OEM 5 Pcs PCI Slot Cover PCI Slot Cover Dust Filter Blanking Board Cooling Fan Dust Filter Ventilation PC Computer Case $ filter slot Note that there is no door that closes to cover the filter slot It's permanently open by design AFAIK Thanks More Pictures Filter

classic243 slot review Able to remove the fan bracket to install the radiator or fan with ease and clean the dust filter slot covers the GPU top output port with a bracket