AprilAire 410 vs 413: which 16x25x4 air purifier filter

AprilAire 410 and 413 are the same physical filter for AprilAire whole-house air purifiers labeled 16x25x4. The only difference is MERV: 410 is MERV 11, 413 is MERV 13. Both list the same nominal size (16H × 25W × 4D) and the same published actual (16.52H × 29.38W × 4D), and both fit cabinets 1410, 1610, 2410, 2416, 3410 and 4400 (plus 2140 and 2400 with upgrade kit 1413). The 29.38-inch width is not a typo: the media is made for AprilAire’s own rail system, so a Honeywell F100/F200 FC100A1029 cartridge or a generic 16x25x4 deep-pleat will not seal in an AprilAire cabinet, and a 410/413 will not fit a Honeywell or furnace-slot cabinet. On 11 Oct 2026 the AprilAire shop had all eight packs in stock, and Amazon had the genuine AprilAire 1-, 2- and 4-packs in stock. Lowest per filter that night: 410 — the shop 8-pack at $48.75; 413 — the Amazon 2-pack at $45.00 ($89.99, marked down from a $125.99 list price, so it may not last). The 20x25 version of this filter is the AprilAire 210 / 213.

Same size, different MERV

AprilAire’s own product pages list identical nominal and actual measurements and the same cabinet list for both models. The part number picks the efficiency band, not the fit.

Source: AprilAire shop specification tabs for model 410 and model 413 (“Nominal Measurements: 16H x 25W x 4D”, “Actual Measurements: 16.52H x 29.38W x 4D”), read 11 Oct 2026. AprilAire’s 410 spec sheet prints the same 16.52 × 29.38 × 4 actual. Height × width × depth as AprilAire prints them.

Which cabinets they fit

AprilAire lists both 410 and 413 for whole-house air purifiers 1410, 1610, 2410, 2416, 3410 and 4400. With upgrade kit 1413, they also fit the older 2140 and 2400 air purifiers and the 2400 Space-Gard. The official compatibility list also names UV14 and UV24. Check the model label on the cabinet door (or the part number printed on the old filter) before you order.

• Cabinet says 1410, 2410, 4400 (or one of the others above): order 410 (MERV 11) or 413 (MERV 13).
• Cabinet says 1210, 2210, 4200 or 2200: that is the 20x25 family — use AprilAire 210 / 213.
• Old cartridge says Honeywell FC100A1029 or FC200E1029: that is a Honeywell F100/F200 16×25 cabinet — see FC100A1029 or FC200E1029.

MERV 11 vs MERV 13 (facts only)

MERV is ASHRAE 52.2, as summarized by EPA. Higher MERV captures a larger share of smaller particles and adds resistance. A media MERV 13 is not HEPA. We do not claim health outcomes.

On price, the step from 410 to 413 is small at this size: on 11 Oct the 413 cost $4.00 more as a 1-pack and $6.25 more per filter in the 8-pack. A 4-inch media cartridge has far more filter area than a 1-inch panel, so the added resistance of MERV 13 is generally a smaller issue here — still follow the cabinet manual or your installer if they name a MERV.

Source: U.S. EPA, “What is a MERV rating?”, last updated 14 Jan 2026. Full 8 vs 11 vs 13 guide: MERV.

Not a generic 16x25x4

• AprilAire 410 / 413 — published actual 16.52 × 29.38 × 4, for the AprilAire cabinets listed above.
• Honeywell FC100A1029 (F100/F200 media) — published exact 15⅞ × 24⅞ × 4⅜. Different face and depth; not interchangeable with an AprilAire 410/413.
• Filtrete 16x25x4 deep-pleat (MPR 1000 / 1550) — Amazon titles print about 15.88 × 24.56 × 4.31, sold for Lennox and Honeywell-style media cabinets, not AprilAire rails.
• Nordic Pure “16x25x4” — about 15.5 × 24.5 × 3.63 (JB Tools listings) — again a different cut.
• 16x25x1 — a 1-inch slot filter. Never a substitute for a 4-inch media cartridge.

Brand tables for the generic size: 16x25x4 size page. Third-party “compatible with AprilAire 410/413” filters exist; we do not list them because their published actuals and fit vary.

AprilAire water panels (humidifier pads 10 / 12 / 35 / 45) are a different product from media filters 410 / 413. Pad guide: humidifier pad sizes.

Pack math

Per-filter math is pack price ÷ count, rounded to the cent (AprilAire shop, 11 Oct 2026). AprilAire’s schedule is one filter a year, so a 4-pack is about four years of filters and an 8-pack about eight.

• AprilAire 410 (MERV 11): 1-pack $60.99 ($60.99) · 2-pack $112.99 ($56.50) · 4-pack $204.99 ($51.25) · 8-pack $389.99 ($48.75).
• AprilAire 413 (MERV 13): 1-pack $64.99 ($64.99) · 2-pack $125.99 ($63.00) · 4-pack $221.99 ($55.50) · 8-pack $439.99 ($55.00).

• Genuine AprilAire on Amazon (17 Oct): 410 1-pack $60.99, 2-pack $112.99 ($56.50), 4-pack $204.99 ($51.25); 413 1-pack $64.99, 2-pack $89.99 ($45.00), 4-pack $221.99 ($55.50).

At the shop, the 8-pack is the lowest per filter for both models. The 4-pack costs $0.50 more per filter than the 8-pack on the 413 and $2.50 more on the 410, and ties up less cash. Buy one filter if you are not sure of the cabinet model yet. Pack math vs cost per year in general: 6-pack vs 12-pack.

Pack prices checked 11 Oct 2026

AprilAire shop public product JSON for 410 and 413, read 11 Oct 2026 (~9:02pm ET; plain request, no bot check): 410 1/2/4/8-pack $60.99 / $112.99 / $204.99 / $389.99; 413 1/2/4/8-pack $64.99 / $125.99 / $221.99 / $439.99; every variant showed available (in stock). Shipping, coupons and subscribe options on the shop will move the final cart. Amazon US buy-box read 11 Oct 2026 (~9:11–9:16pm ET, ZIP 10001, headless Chrome on our persistent checker profile, no bot check; featured new offer): genuine AprilAire 410 1/2/4-pack $60.99 / $112.99 / $204.99 (B004OJL9IK / B00UOXMC8G / B013FC5EXC) and 413 1/2/4-pack $64.99 / $89.99 / $221.99 (B0040VOEKW / B00UOXM6W8 / B019HK9QYO). All shipped and sold by Amazon.com except the 410 4-pack (sold by Direct Supply Store). The 410 1-pack read $54.81 at ~9:11pm and was back at its $60.99 list price on the ~10:16pm ET re-read (card updated); the 413 2-pack showed a $125.99 list price, so it may go back up. Amazon re-read 16 Oct 2026 (~10:16–10:31pm ET, same checker profile, ZIP 10001, no bot check): the 410 2-pack is now $113.00 (was $112.99; read twice); the other five are unchanged, and all six, including the 410 4-pack, were sold by Amazon.com. Amazon re-read 17 Oct 2026 (~9:11pm ET, same checker profile, ZIP 10001, no bot check): the 410 2-pack is back to $112.99; the other five are unchanged, all sold by Amazon.com. Third-party “compatible with AprilAire” filters in the same search are not listed. Each card shows its own check date. No Filterbuy chart scrapes.

Where to buy

• AprilAire (OEM) Official 410 (MERV 11): shop.aprilaire.com — 410. Official 413 (MERV 13): shop.aprilaire.com — 413.
• Amazon Genuine AprilAire 410: 1-pack ($60.99) · 2-pack ($112.99) · 4-pack ($204.99). Genuine AprilAire 413: 1-pack ($64.99) · 2-pack ($89.99) · 4-pack ($221.99) (checked 11 Oct 2026). Model search: AprilAire 413 filter.
• Need a Honeywell F100/F200 16x25x4 instead? That is a different actual size — start at FC100A1029 or 16x25x4.

No ranking. Stock and price change. Match the model number on the old filter or the cabinet door. A 16x25x1 is not a substitute.

AprilAire 410 / 413 FAQ

Is the AprilAire 413 the same size as the 410?

Yes. AprilAire lists the same nominal (16 × 25 × 4) and actual (16.52 × 29.38 × 4) size and the same cabinet list for both. The 413 is MERV 13; the 410 is MERV 11.

Can I put a 413 in a cabinet that came with a 410?

The fit is the same, so it slides into the same rails. MERV 13 adds some resistance; on a 4-inch media cabinet that is usually small, but follow your installer or the equipment manual if it names a MERV.

Will a Honeywell or Filtrete 16x25x4 fit an AprilAire 2410?

No. Honeywell FC100A1029 (15⅞ × 24⅞ × 4⅜) and Filtrete 16x25x4 (about 15.88 × 24.56 × 4.31) are cut for different cabinets. Order the AprilAire part number.

How often do I change an AprilAire 410 or 413?

AprilAire’s recommended schedule is every 12 months. Dusty homes, pets, renovation dust or smoke events can load it sooner — check it at the start of each heating and cooling season. More: how often.

Which pack is the best value?

On the 11 Oct prices on this page: for the 413, the genuine Amazon 2-pack ($89.99, $45.00 per filter) beat every AprilAire shop pack, including the shop 8-pack ($55.00). For the 410, the shop 8-pack ($48.75) was lowest, then the shop and Amazon 4-packs ($51.25). Prices move, so check the cards above.