furnacefiltersize.com
Filter cabinet model → the filter that fits it.
Furnace model ≠ filter size. Cabinet model = filter size, when a media cabinet is installed. Two houses with the same furnace can take different filters. (Atomic Filters Carrier guide, July 2026; Filterbuy FAQ; FilterSize411 homepage copy.)
We do not invent a 37,841-record count. FilterSize411 claims that number (site registered 4 Apr 2026); we have not verified it. We ship fewer rows, each with a source and retrieved field.
Where to look
Cabinet door, side panel, inside the door. If there is no separate cabinet, it is a standard return-grille / furnace-slot filter — use the finder, not this page.
Photo needed: Three photos of real cabinet stickers (GAP / Aprilaire / EZ Flex).
Prefix cheat sheet (launch set)
| If the sticker starts with | System | Goes to |
|---|---|---|
| GAPAAXCC | Carrier Infinity Air Purifier | Carrier |
| PGAPAXX / DGAPAXX | Carrier Performance | Carrier |
| EZXCAB | Carrier EZ Flex | Carrier |
| GABBXCC | Bryant Perfect (Carrier twin) | Carrier |
| 1210 / 2210 / 2216 / 3210 / 4200 / 1620 | Aprilaire 20x25 cabinets | Aprilaire |
| 1410 / 2410 / 2416 | Aprilaire 16x25 cabinets | Aprilaire |
| F100 / F200 / FC100 / FC200 | Honeywell media (next spoke) | Stub: measure + FiltersFast part search until the Honeywell page ships |
Never map furnace series (Infinity / Performance / Comfort) to a filter without the cabinet sticker. Atomic Filters says an Infinity furnace is often paired with GAP or EZ Flex — “often” is not “is.”
| Cabinet | Filter SKU | Line | Nominal | Actual | MERV | Interval | Source |
|---|---|---|---|---|---|---|---|
| GAPAAXCC1625 | GAPCCCAR1625 | Carrier Infinity | 16x25 | 17" × 24-3/8" × 3-5/8" | MERV 15 | ~12 months | Carrier Atomic Filters Carrier guide, July 2026 (merchant page — confirm against Carrier IOM); retrieved 2026-08-31 |
| GAPAAXCC2025 | GAPCCCAR2025 | Carrier Infinity | 20x25 | 21" × 24-3/8" × 3-5/8" | MERV 15 | ~12 months | Carrier Atomic Filters Carrier guide, July 2026 (merchant page — confirm against Carrier IOM); retrieved 2026-08-31 |
| GAPAAXCC2420 | GAPCCCAR2420 | Carrier Infinity | 24x20 | 24-3/16" × 21-3/8" × 3-5/8" | MERV 15 | ~12 months | Carrier Atomic Filters Carrier guide, July 2026 (merchant page — confirm against Carrier IOM); retrieved 2026-08-31 |
| PGAPAXX1620 | PGAPXCAR1620 | Carrier Performance | 16x20 | 17.3" × 19.9" × 2.6" | MERV 13 | 8–12 months | Carrier Atomic Filters Carrier guide, July 2026 (merchant page — confirm against Carrier IOM); retrieved 2026-08-31 |
| PGAPAXX1625 | PGAPXCAR1625 | Carrier Performance | 16x25 | 17.3" × 24.9" × 2.6" | MERV 13 | 8–12 months | Carrier Atomic Filters Carrier guide, July 2026 (merchant page — confirm against Carrier IOM); retrieved 2026-08-31 |
| PGAPAXX2020 | PGAPXCAR2020 | Carrier Performance | 20x20 | 21.0" × 21.9" × 2.6" | MERV 13 | 8–12 months | Carrier Atomic Filters Carrier guide, July 2026 (merchant page — confirm against Carrier IOM); retrieved 2026-08-31 |
| PGAPAXX2025 | PGAPXCAR2025 | Carrier Performance | 20x25 | 21.0" × 24.9" × 2.6" | MERV 13 | 8–12 months | Carrier Atomic Filters Carrier guide, July 2026 (merchant page — confirm against Carrier IOM); retrieved 2026-08-31 |
| PGAPAXX2420 | PGAPXCAR2420 | Carrier Performance | 24x20 | 24.5" × 21.9" × 2.6" | MERV 13 | 8–12 months | Carrier Atomic Filters Carrier guide, July 2026 (merchant page — confirm against Carrier IOM); retrieved 2026-08-31 |
| EZXCAB016 | EXPXXFIL0016 | Carrier EZ Flex | 16x25x5 | — (order by part number) | MERV 13 | 6–12 months | Carrier Atomic Filters Carrier guide, July 2026 (merchant page — confirm against Carrier IOM); retrieved 2026-08-31 |
| EZXCAB020 | EXPXXFIL0020 | Carrier EZ Flex | 20x25x5 | — (order by part number) | MERV 13 | 6–12 months | Carrier Atomic Filters Carrier guide, July 2026 (merchant page — confirm against Carrier IOM); retrieved 2026-08-31 |
| 2210 | 213 | Aprilaire 20x25 cabinet | 20x25x4 | 20.6 × 26.63 × 4 (213 shop listing) | MERV 13 | 12 months | Aprilaire Aprilaire 213 official shop, retrieved 31 Aug 2026; retrieved 2026-08-31 |
| 1210 | 213 | Aprilaire 20x25 cabinet | 20x25x4 | 20.6 × 26.63 × 4 (213 shop listing) | MERV 13 | 12 months | Aprilaire Aprilaire 213 official shop, retrieved 31 Aug 2026 (fits 1210/1620/2210/2216/3210/4200); retrieved 2026-08-31 |
| 1620 | 213 | Aprilaire 20x25 cabinet | 20x25x4 | 20.6 × 26.63 × 4 (213 shop listing) | MERV 13 | 12 months | Aprilaire Aprilaire 213 official shop, retrieved 31 Aug 2026; retrieved 2026-08-31 |
| 2216 | 213 | Aprilaire 20x25 cabinet | 20x25x4 | 20.6 × 26.63 × 4 (213 shop listing) | MERV 13 | 12 months | Aprilaire Aprilaire 213 official shop, retrieved 31 Aug 2026; retrieved 2026-08-31 |
| 3210 | 213 | Aprilaire 20x25 cabinet | 20x25x4 | 20.6 × 26.63 × 4 (213 shop listing) | MERV 13 | 12 months | Aprilaire Aprilaire 213 official shop, retrieved 31 Aug 2026; retrieved 2026-08-31 |
| 4200 | 213 | Aprilaire 20x25 cabinet | 20x25x4 | 20.6 × 26.63 × 4 (213 shop listing) | MERV 13 | 12 months | Aprilaire Aprilaire 213 official shop, retrieved 31 Aug 2026; retrieved 2026-08-31 |
| 1410 | 413 | Aprilaire 16x25 cabinet | 16x25x4 | — (order by part number) | MERV 13 | 12 months (same media-family cadence as 213; confirm IOM) | Aprilaire Aprilaire 213 shop (20x25 family) + IA all-products guide note for 16x25 → 410/413/416. 413 actuals not published here until the spec PDF is filed.; retrieved 2026-08-31 |
| 2410 | 413 | Aprilaire 16x25 cabinet | 16x25x4 | — (order by part number) | MERV 13 | 12 months (confirm IOM) | Aprilaire IA: Aprilaire all-products guide — 16x25 cabinets take 410/413/416; retrieved 2026-08-31 |
| 2416 | 413 | Aprilaire 16x25 cabinet | 16x25x4 | — (order by part number) | MERV 13 | 12 months (confirm IOM) | Aprilaire IA: Aprilaire all-products guide — 16x25 cabinets take 410/413/416; retrieved 2026-08-31 |
No sticker
Affiliate on this hub: FiltersFast by part number is the default CTA (they list GAPCCCAR, PGAPXCAR, EXPXXFIL, Aprilaire, Honeywell FC100). Filterbuy as aftermarket equivalent only when actual dimensions match, which they often do not for Aprilaire 213.