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

AprilAire U162 replacement filter

Use part UK211, or any one of UK213. Lasts up to 12 months.

Any one of these fits · standard choice

Maker lists this model

AprilAire UK211 MERV 11 + rails

AprilAire UK211 (Replaces 210) MERV 11 TriPure Filter + Upgrade Rails

Part number
UK211
How many
1 per unitpacks: UK211 02 (2), UK211 04 (4)
How often
Lasts up to 12 months
Size
20 x 25 x 4 in20 x 25 x 4 in nominal (21.44 x 27 x 3.68 actual)

AprilAire's U162 page says the cabinet comes with the 3F211 MERV 11 filter, the filter-only refill sold on the UK211 page, and gives a 20 x 25 filter size; its box list says 3F411, a 16 x 25 filter, which does not match. The UK211 bundles one-time upgrade rails that older cabinets need.

Buy UK211 MERV 11 + rails on AmazonManufacturer page

Opens an Amazon search for AprilAire UK211 MERV 11 + rails. Check the listing says UK211.

See the sources

Compare the 2 options

The U162 holds one filter at a time. Any one of these fits; AprilAire ships it with the first one.

FilterGradeSizeHow oftenBuy
UK211 MERV 11 + railsUK211standard choiceMERV 11 TriPure 3-inch filter, one-time upgrade rails20 x 25 x 4 inLasts up to 12 monthsAmazon
UK213 MERV 13 + railsUK213MERV 13 TriPure 3-inch filter, one-time upgrade rails20 x 25 x 4 inLasts up to 12 monthsAmazon

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: 1210, 1620, 2120, 2200, 2210, 2216, 3210, 4200, U121, U223, U226, U162, U172
  • How many shop.aprilaire.com Maker's own page checked Oct 1, 2026
    INCLUDED IN THE BOX: (1) U162 Air Purifier (1) 3F411 Air Filter; Filter Nominal Dimensions (H x W): 20 x 25 (inches)
  • How often shop.aprilaire.com Maker's own page checked Oct 1, 2026
    LONG FILTER LIFE – One filter lasts up to 12 months
  • Size shop.aprilaire.com Maker's own page checked Oct 1, 2026
    Nominal Measurements: 20H x 25W x 4D (inches) Actual Measurements: 21.44H x 27W x 3.68D (inches)
  • What's in it shop.aprilaire.com Maker's own page checked Oct 1, 2026
    MERV Rating: 11; Materials: Plastic, Synthetic Fiber
  • Packs shop.aprilaire.com Maker's own page checked Oct 1, 2026
    Package sizes: 1-pack UK211; 2-pack UK211 02; 4-pack UK211 04
Show all 17 sources

Which filter fits

  1. shop.aprilaire.com Maker's own page checked Oct 1, 2026
    Compatible Models: 1210, 1620, 2120, 2200, 2210, 2216, 3210, 4200, U121, U223, U226, U162, U172
  2. shop.aprilaire.com Maker's own page checked Oct 1, 2026
    NEW AND IMPROVED U162 20 x 25 EASY INSTALL WHOLE-HOUSE AIR PURIFIER (LEFT RETURN DROP) with revolutionary new AprilAire 3F211 MERV 11 3" Air Filter
  3. shop.aprilaire.com Maker's own page checked Oct 1, 2026
    Compatible Models: 1210, 1620, 2120, 2200, 2210, 2216, 3210, 4200, U121, U223, U226, U162, U172
  4. shop.aprilaire.com Maker's own page checked Oct 1, 2026
    Page for the U162 (per its URL): Replaces AprilAire 1620 Whole-House Air Purifier
  5. shop.aprilaire.com Maker's own page checked Oct 1, 2026
    Product 'AprilAire UK211 (Replaces 210) MERV 11 TriPure Filter + Upgrade Rails', SKUs UK211, UK211 02, UK211 04
  6. shop.aprilaire.com Maker's own page checked Oct 1, 2026
    The AprilAire UK211 replaces the sunsetting AprilAire 210 Filter; 'Your next subscription will be the 3F211 - filter only'
  7. shop.aprilaire.com Maker's own page checked Oct 1, 2026
    Product 'AprilAire UK213 (Replaces 213) MERV 13 TriPure Filter + Upgrade Rails', SKUs UK213, UK213 02, UK213 04
  8. shop.aprilaire.com Maker's own page checked Oct 1, 2026
    The AprilAire UK213 replaces the sunsetting AprilAire 213 Filter; 'Your next subscription will be the 3F213 - filter only'

How many

  1. shop.aprilaire.com Maker's own page checked Oct 1, 2026
    INCLUDED IN THE BOX: (1) U162 Air Purifier (1) 3F411 Air Filter; Filter Nominal Dimensions (H x W): 20 x 25 (inches)

How often

  1. shop.aprilaire.com Maker's own page checked Oct 1, 2026
    LONG FILTER LIFE – One filter lasts up to 12 months
  2. 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 25W x 4D (inches) Actual Measurements: 21.44H x 27W x 3.68D (inches)
  2. shop.aprilaire.com Maker's own page checked Oct 1, 2026
    Nominal Measurements: 20H x 25W x 4D (inches) Actual Measurements: 21.44H x 27W x 3.68D (inches)

What's in it

  1. shop.aprilaire.com Maker's own page checked Oct 1, 2026
    MERV Rating: 11; Materials: Plastic, Synthetic Fiber
  2. 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 UK211; 2-pack UK211 02; 4-pack UK211 04
  2. shop.aprilaire.com Maker's own page checked Oct 1, 2026
    Package sizes: 1-pack UK213; 2-pack UK213 02; 4-pack UK213 04