Fits checked Oct 1, 2026 · How we check
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AIRCARE · humidifier · portable evaporative

AIRCARE H12400 replacement filter

Use part 1045. Every 30-90 days, but your water quality will ultimately dictate your wick's replacement frequency.

The filter that fits

Maker lists this model

AIRCARE 1045 SuperWick

Part number
1045also sold as 7V1045
How many
1 per unitpacks: 1045-2PK (2), 1045-3PK (3)
How often
Every 30-90 days, but your water quality will ultimately dictate your wick's replacement frequency
Size
11.5"H x 16.75"W x 5"D
Buy 1045 SuperWick on AmazonManufacturer page

Opens an Amazon search for AIRCARE 1045 SuperWick. Check the listing says 1045.

See the sources

Also replace the pre-filter

Maker lists this model

AIRCARE 1051 air filter

AIRCARE 1051 Air Filter

Part number
1051also sold as 7V1051
How many
1 per unitpacks: 1051-2PK (2), 1051-3PK (3)
How often
Interval not published by the maker
Size
10.5"H x 18"W x 1"D
Buy 1051 air filter on AmazonManufacturer page

Opens an Amazon search for AIRCARE 1051 air filter. Check the listing says 1051.

See the sources

Does your exact model share this filter?

AIRCARE labels several versions of the H12400. Check the label on your unit.

  • H12400 takes 1045
  • H12400HB same filter

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 aircare.com Maker's own page checked Oct 1, 2026
    AIRCARE 1045 page, Compatible Products: 'AIRCARE® humidifier models H12300HB, H12400HB, H12600' ... AIRCARE 1045 page, Compatible Products: 'ESSICK AIR® humidifier models H12001, H12300, H12400, H12AEUO, H12AUKP, H12CUKO'
  • How many aircare.com Maker's own page checked Oct 1, 2026
    H12400HB page: The Alliance uses one 1045 SuperWick® (included).
  • How often aircare.com Maker's own page checked Oct 1, 2026
    'We recommend changing your wick every 30-90 days, but your water quality will ultimately dictate your wick's replacement frequency.'
  • Size aircare.com Maker's own page checked Oct 1, 2026
    DIMENSIONS: 11.5"H x 16.75"W x 5"D
  • What's in it aircare.com Maker's own page checked Oct 1, 2026
    'made from the highest-quality paper ... Every wick features our unique Trapmax® filtration technology'
  • Packs aircare.com Maker's own page checked Oct 1, 2026
    1045 SuperWick | 2 Pack, SKU 1045-2PK
Show all 20 sources

Which filter fits

  1. aircare.com Maker's own page checked Oct 1, 2026
    AIRCARE 1045 page, Compatible Products: 'AIRCARE® humidifier models H12300HB, H12400HB, H12600' ... AIRCARE 1045 page, Compatible Products: 'ESSICK AIR® humidifier models H12001, H12300, H12400, H12AEUO, H12AUKP, H12CUKO'
  2. aircare.com Maker's own page checked Oct 1, 2026
    Model's own product page: 'H12400HB page: The Alliance uses one 1045 SuperWick® (included).'
  3. aircare.com Maker's own page checked Oct 1, 2026
    AIRCARE 1051 page, Compatible Products: 'AIRCARE® humidifier models 4DTS300, 4DTS900, 696400HB, 696800, H12300HB, H12400HB, H12600' ... AIRCARE 1051 page, Compatible Products: 'ESSICK AIR® humidifier models 427300, 447400HB, 4D7800, H12300, H12400, H12AEUO, H12AUKO, H12CUKO'
  4. aircare.com Maker's own page checked Oct 1, 2026
    AIRCARE 1045 page, Compatible Products: 'AIRCARE® humidifier models H12300HB, H12400HB, H12600'
  5. aircare.com Maker's own page checked Oct 1, 2026
    1045 SuperWick® SKU 7V1045
  6. aircare.com Maker's own page checked Oct 1, 2026
    Model's own product page: 'H12300HB page: The Alliance uses one 1045 SuperWick® (included).'
  7. aircare.com Maker's own page checked Oct 1, 2026
    Page for the H12600 (per its URL): Model's own product page: 'The Alliance uses one 1045 SuperWick® (included).'
  8. aircare.com Maker's own page checked Oct 1, 2026
    AIRCARE 1051 page, Compatible Products: 'AIRCARE® humidifier models 4DTS300, 4DTS900, 696400HB, 696800, H12300HB, H12400HB, H12600'
  9. aircare.com Maker's own page checked Oct 1, 2026
    1051 Air Filter SKU 7V1051
  10. aircare.com Maker's own page checked Oct 1, 2026
    Page for the 4DTS900 (per its URL): Model's own product page: 'The Executive includes our 1041 SuperWick® and 1051 air filter for added air purification.'

How many

  1. aircare.com Maker's own page checked Oct 1, 2026
    H12400HB page: The Alliance uses one 1045 SuperWick® (included).

How often

  1. aircare.com Maker's own page checked Oct 1, 2026
    'We recommend changing your wick every 30-90 days, but your water quality will ultimately dictate your wick's replacement frequency.'

Size

  1. aircare.com Maker's own page checked Oct 1, 2026
    DIMENSIONS: 11.5"H x 16.75"W x 5"D
  2. aircare.com Maker's own page checked Oct 1, 2026
    DIMENSIONS: 10.5"H x 18"W x 1"D

What's in it

  1. aircare.com Maker's own page checked Oct 1, 2026
    'made from the highest-quality paper ... Every wick features our unique Trapmax® filtration technology'
  2. aircare.com Maker's own page checked Oct 1, 2026
    'The electrostatic layer traps airborne particles ... The carbon layer traps odors'

Packs

  1. aircare.com Maker's own page checked Oct 1, 2026
    1045 SuperWick | 2 Pack, SKU 1045-2PK
  2. aircare.com Maker's own page checked Oct 1, 2026
    1045 SuperWick | 3 Pack, SKU 1045-3PK
  3. aircare.com Maker's own page checked Oct 1, 2026
    1051 air filter | 2 Pack, SKU 1051-2PK
  4. aircare.com Maker's own page checked Oct 1, 2026
    1051 air filter | 3 Pack, SKU 1051-3PK