GeneralAire Home Air Filters

Quick Size Reference Chart
Size Reference Part number
20x25x5 14201 and 4501
15.75x23.25x4.75 13415
20x25x6 12880
16x25x3 14164 & 4521
16x25x5 14161 and 4511
20x24.25x5 14201 and 4501


Generalaire Home Air Filters prove incredibly useful in helping your home’s HVAC system fight allergies. However, if furnace filters are not changed regularly and HVAC systems not maintained, then air filters will fill up with the most undesirable substances and dander, resulting in blockages. To be safe, you can get the Generalaire furnace filter replacements from us. We have a huge collection of air filters from Generalaire available in a variety of sizes, which include 20x25x5, 15.75x23.25x4.75, 20x25x6, 16x25x3, 16x25x5, and 20x24.25x5. Best part of all: these replacement filters arehigher quality compared to other replacement part vendors reducing the risk of airborne allergens.

Use the dropdown to select a size or choose from the list below

GeneralAire Home Air Filters
Important Information

The manufacturer has discontinued the MERV 6 / APR 450 filters from their line up, our suggested replacement is the MERV 8 / APR 650 Gold filter, you may see the Emerald MERV 6 / APR 450 still on the website, we are actively removing that MERV/APR

** The typical ship time for orders is now around 10 to 15 business days **

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