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HVAC filters
OEM number → successor → buy link for HVAC filters.
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Every SKU in this category. Counts update with the catalog.
Aprilaire (2)
Filtrete (9)
1085Filtrete 1085: hvac air filter. Do not buy by MPR alone. Confirm on the part and OEM chart before purchase.
14x25x1Narrow return size — easy to mis-buy as 16x25x1 at the store shelf.
1500Filtrete 1500: hvac air filter. Wrong thickness (1″ vs 4″/5″ media) will not fit. Confirm on the part and OEM
16x20x1Common closet-return size. Depth must still be 1″ unless your cabinet takes media.
16x25x1Another high-volume 1″ size. Pair with the MPR grade you want, but the stamp size is non-negotiable.
1900Filtrete 1900: hvac air filter. Size first, MPR second. Confirm on the part and OEM chart before purchase.
2000Filtrete 2000 MPR (higher capture) — size is printed on the frame edge as W×L×T; MPR grade is separate from si
20x20x1Common square return size — still buy exact W×L×T. MPR grade is a separate decision.
20x25x1Common return size — still buy the exact W×L×T stamp. MPR grade (1500/1900/2000) is separate from size.
Honeywell (3)
FC100A1003Honeywell FC100A1003: hvac air filter. Media cabinet filters ≠ 1″ slot filters. Confirm on the part and OEM ch
FC100A1037Media cabinet filter — size code in the suffix. Not a 1″ Filtrete panel.
FC200E1003Honeywell FC200E1003: hvac air filter. FC200E ≠ FC100A. Confirm on the part and OEM chart before purchase.
Lennox (3)
X6670Lennox Healthy Climate media path — confirm MERV/size vs X6672/X6675; not a 1″ Filtrete panel.
X6672Lennox X6672: hvac air filter. Exact X-number match preferred. Confirm on the part and OEM chart before purcha
X6675Lennox OEM filter number — match X-number; aftermarket sizes must match the cabinet.
Trane