Fits checked Oct 1, 2026 · How we check
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AprilAire · media air cleaner · media air cleaner cabinet

AprilAire 1310 replacement filter

Use part 310, or any one of 313, UK311 or UK313. Replace every 12 months.

Any one of these fits · standard choice

Maker lists this model

AprilAire 310 MERV 11

Part number
310
How many
1 per unitpacks: 310 02 (2)
How often
Replace every 12 months
Size
20 x 20 x 4 in20 x 20 x 4 in nominal (19.58 x 21.38 x 4 actual)

AprilAire is sunsetting the 310; the UK311 is its replacement. See the UK311.

Buy 310 MERV 11 on AmazonManufacturer page

Opens an Amazon search for AprilAire 310 MERV 11. Check the listing says 310.

See the sources

Compare the 4 options

The 1310 holds one filter at a time. Any one of these fits; AprilAire ships it with the first one.

FilterGradeSizeHow oftenBuy
310 MERV 11310standard choicebeing replaced by UK311MERV 11 synthetic media20 x 20 x 4 inEvery 12 monthsAmazon
313 MERV 13313being replaced by UK313MERV 13 synthetic media20 x 20 x 4 inEvery 12 monthsAmazon
UK311 MERV 11 + railsUK311MERV 11 TriPure 3-inch filter, one-time upgrade rails20 x 20 x 4 inLasts up to 12 monthsAmazon
UK313 MERV 13 + railsUK313MERV 13 TriPure 3-inch filter, one-time upgrade rails20 x 20 x 4 inLasts up to 12 monthsAmazon

Look-alike models that take a different filter

The 2210 takes the 20 x 25 213; the 2410 takes the 16 x 25 413.

Sources

High confidence: the manufacturer names this exact model on a live page. Each line is the page we read and the day we read it.

  • Which filter fits shop.aprilaire.com Maker's own page checked Oct 1, 2026
    Compatible Models: 1310, 2310, 3310, 4300, Competitive Models using 4898 Upgrade Kit
  • How often shop.aprilaire.com Maker's own page checked Oct 1, 2026
    Recommended Replacement Schedule: 12 Months
  • Size shop.aprilaire.com Maker's own page checked Oct 1, 2026
    Nominal Measurements: 20H x 20W x 4D (inches) Actual Measurements: 19.58H x 21.38W x 4D (inches)
  • What's in it shop.aprilaire.com Maker's own page checked Oct 1, 2026
    MERV Rating: 11; Materials: Synthetic Fiber
  • Packs shop.aprilaire.com Maker's own page checked Oct 1, 2026
    Package sizes: 1-pack 310; 2-pack 310 02
Show all 30 sources

Which filter fits

  1. shop.aprilaire.com Maker's own page checked Oct 1, 2026
    Compatible Models: 1310, 2310, 3310, 4300, Competitive Models using 4898 Upgrade Kit
  2. shop.aprilaire.com Maker's own page checked Oct 1, 2026
    Page for the 1310 (per its URL): Comes with one AprilAire 310 MERV 11 Air Filter
  3. shop.aprilaire.com Maker's own page checked Oct 1, 2026
    Compatible Models: 1310, 2310, 3310, 4300, Competitive Models using 4898 Upgrade Kit
  4. shop.aprilaire.com Maker's own page checked Oct 1, 2026
    Page for the 1310 (per its URL): Also compatible with: 313 MERV 13 Air Filter
  5. shop.aprilaire.com Maker's own page checked Oct 1, 2026
    Compatible Models: 1310, 2310, 3310, 4300, U131, U233
  6. shop.aprilaire.com Maker's own page checked Oct 1, 2026
    Compatible Models: 1310, 2310, 3310, 4300, U131, U233
  7. shop.aprilaire.com Maker's own page checked Oct 1, 2026
    Product 'AprilAire 310 MERV 11 Air Filter', SKUs 310, 310 02
  8. shop.aprilaire.com Maker's own page checked Oct 1, 2026
    Page for the 2310 (per its URL): Also compatible with: 310 MERV 11 Air Filter
  9. shop.aprilaire.com Maker's own page checked Oct 1, 2026
    Product 'AprilAire 313 MERV 13 Air Filter', SKUs 313, 313 02
  10. shop.aprilaire.com Maker's own page checked Oct 1, 2026
    Page for the 2310 (per its URL): Comes with one AprilAire 313 MERV 13 Air Filter
  11. shop.aprilaire.com Maker's own page checked Oct 1, 2026
    Product 'AprilAire UK311 (Replaces 310) MERV 11 TriPure Filter + Upgrade Rails', SKUs UK311, UK311 02
  12. shop.aprilaire.com Maker's own page checked Oct 1, 2026
    The AprilAire UK311 replaces the sunsetting AprilAire 310 Filter; 'Your next subscription will be the 3F311 - filter only'
  13. shop.aprilaire.com Maker's own page checked Oct 1, 2026
    Product 'AprilAire UK313 (Replaces 313) MERV 13 TriPure Filter + Upgrade Rails', SKUs UK313, UK313 02
  14. shop.aprilaire.com Maker's own page checked Oct 1, 2026
    The AprilAire UK313 replaces the sunsetting AprilAire 313 Filter; 'Your next subscription will be the 3F313 - filter only'

How often

  1. shop.aprilaire.com Maker's own page checked Oct 1, 2026
    Recommended Replacement Schedule: 12 Months
  2. shop.aprilaire.com Maker's own page checked Oct 1, 2026
    Recommended Replacement Schedule: 12 Months
  3. shop.aprilaire.com Maker's own page checked Oct 1, 2026
    LONG FILTER LIFE – One filter lasts up to 12 months
  4. shop.aprilaire.com Maker's own page checked Oct 1, 2026
    LONG FILTER LIFE – One filter lasts up to 12 months

Size

  1. shop.aprilaire.com Maker's own page checked Oct 1, 2026
    Nominal Measurements: 20H x 20W x 4D (inches) Actual Measurements: 19.58H x 21.38W x 4D (inches)
  2. shop.aprilaire.com Maker's own page checked Oct 1, 2026
    Nominal Measurements: 20H x 20W x 4D (inches) Actual Measurements: 19.58H x 21.38W x 4D (inches)
  3. shop.aprilaire.com Maker's own page checked Oct 1, 2026
    Nominal Measurements: 20H x 20W x 4D (inches) Actual Measurements: 20.61H x 21.75W x 3.68D (inches)
  4. shop.aprilaire.com Maker's own page checked Oct 1, 2026
    Nominal Measurements: 20H x 20W x 4D (inches) Actual Measurements: 20.61H x 21.75W x 3.68D (inches)

What's in it

  1. shop.aprilaire.com Maker's own page checked Oct 1, 2026
    MERV Rating: 11; Materials: Synthetic Fiber
  2. shop.aprilaire.com Maker's own page checked Oct 1, 2026
    MERV Rating: 13; Materials: Synthetic Fiber
  3. shop.aprilaire.com Maker's own page checked Oct 1, 2026
    MERV Rating: 11; Materials: Plastic, Synthetic Fiber
  4. shop.aprilaire.com Maker's own page checked Oct 1, 2026
    MERV Rating: 13; Materials: Plastic, Synthetic Fiber

Packs

  1. shop.aprilaire.com Maker's own page checked Oct 1, 2026
    Package sizes: 1-pack 310; 2-pack 310 02
  2. shop.aprilaire.com Maker's own page checked Oct 1, 2026
    Package sizes: 1-pack 313; 2-pack 313 02
  3. shop.aprilaire.com Maker's own page checked Oct 1, 2026
    Package sizes: 1-pack UK311; 2-pack UK311 02
  4. shop.aprilaire.com Maker's own page checked Oct 1, 2026
    Package sizes: 1-pack UK313; 2-pack UK313 02