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

AprilAire 1110 replacement filter

Use part 110, or any one of 113, UK111 or UK113. Replace every 12 months.

Any one of these fits · standard choice

Maker lists this model

AprilAire 110 MERV 11

Part number
110
How many
1 per unit
How often
Replace every 12 months
Size
16 x 20 x 4 in16 x 20 x 4 in nominal (16.52 x 21.38 x 4.05 actual)

AprilAire is sunsetting the 110; the UK111 is its replacement. See the UK111.

Buy 110 MERV 11 on AmazonManufacturer page

Opens an Amazon search for AprilAire 110 MERV 11. Check the listing says 110.

See the sources

Compare the 4 options

The 1110 holds one filter at a time. Any one of these fits; AprilAire ships it with the first one.

FilterGradeSizeHow oftenBuy
110 MERV 11110standard choicebeing replaced by UK111MERV 11 synthetic media16 x 20 x 4 inEvery 12 monthsAmazon
113 MERV 13113being replaced by UK113MERV 13 synthetic media16 x 20 x 4 inEvery 12 monthsAmazon
UK111 MERV 11 + railsUK111MERV 11 TriPure 3-inch filter, one-time upgrade rails16 x 20 x 4 inLasts up to 12 monthsAmazon
UK113 MERV 13 + railsUK113MERV 13 TriPure 3-inch filter, one-time upgrade rails16 x 20 x 4 inLasts up to 12 monthsAmazon

Look-alike models that take a different filter

The 1110 is AprilAire's 16 x 20 cabinet; the 1210 is 20 x 25 and takes the 210.

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: 1110, Competitive Models using 4898 Upgrade Kit
  • How many shop.aprilaire.com Maker's own page checked Oct 1, 2026
    INCLUDED IN THE BOX: (1) 1110 Air Purifier (1) 110 Air Filter
  • 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: 16H x 20W x 4D (inches) Actual Measurements: 16.52H x 21.38W x 4.05D (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 UK111; 2-pack UK111 02
Show all 26 sources

Which filter fits

  1. shop.aprilaire.com Maker's own page checked Oct 1, 2026
    Compatible Models: 1110, Competitive Models using 4898 Upgrade Kit
  2. shop.aprilaire.com Maker's own page checked Oct 1, 2026
    Page for the 1110 (per its URL): ENGINEERED FOR USE with genuine AprilAire Filter Models 110 MERV 11 (included) and 113 MERV 13 (upgrade option sold separately)
  3. shop.aprilaire.com Maker's own page checked Oct 1, 2026
    Compatible Models: 1110, Competitive Models using 4898 Upgrade Kit
  4. shop.aprilaire.com Maker's own page checked Oct 1, 2026
    Compatible Models: 1110, U111
  5. shop.aprilaire.com Maker's own page checked Oct 1, 2026
    Compatible Models: 1110, U111
  6. shop.aprilaire.com Maker's own page checked Oct 1, 2026
    Product 'AprilAire 110 MERV 11 Air Filter', SKUs 110
  7. shop.aprilaire.com Maker's own page checked Oct 1, 2026
    Product 'AprilAire 113 MERV 13 Air Filter', SKUs 113
  8. shop.aprilaire.com Maker's own page checked Oct 1, 2026
    Product 'AprilAire UK111 (Replaces 110) MERV 11 TriPure Filter + Upgrade Rails', SKUs UK111, UK111 02
  9. shop.aprilaire.com Maker's own page checked Oct 1, 2026
    The AprilAire UK111 replaces the sunsetting AprilAire 110 Filter; 'Your next subscription will be the 3F111 - filter only'
  10. shop.aprilaire.com Maker's own page checked Oct 1, 2026
    Product 'AprilAire UK113 (Replaces 113) MERV 13 TriPure Filter + Upgrade Rails', SKUs UK113, UK113 02
  11. shop.aprilaire.com Maker's own page checked Oct 1, 2026
    The AprilAire UK113 replaces the sunsetting AprilAire 113 Filter; 'Your next subscription will be the 3F113 - filter only'

How many

  1. shop.aprilaire.com Maker's own page checked Oct 1, 2026
    INCLUDED IN THE BOX: (1) 1110 Air Purifier (1) 110 Air Filter

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: 16H x 20W x 4D (inches) Actual Measurements: 16.52H x 21.38W x 4.05D (inches)
  2. shop.aprilaire.com Maker's own page checked Oct 1, 2026
    Nominal Measurements: 16H x 20W x 4D (inches) Actual Measurements: 16.52H x 21.38W x 4.05D (inches)
  3. shop.aprilaire.com Maker's own page checked Oct 1, 2026
    Nominal Measurements: 16H x 20W x 4D (inches) Actual Measurements: 17.29H x 21.75W x 3.68D (inches)
  4. shop.aprilaire.com Maker's own page checked Oct 1, 2026
    Nominal Measurements: 16H x 20W x 4D (inches) Actual Measurements: 17.29H 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 UK111; 2-pack UK111 02
  2. shop.aprilaire.com Maker's own page checked Oct 1, 2026
    Package sizes: 1-pack UK113; 2-pack UK113 02