Honeywell POPUP2400 | Our#: 198958

Honeywell PopUP 2400 Media for Aprilaire/Space-Gard 2400 Air Cleaner

Honeywell POPUP2400 | Our#: 198958

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Reduce common allergy symptoms

  • Reduces allergy irritating particles
  • Captures allergens like dust, mold spores, pet dander, dust mite debris and more
  • Lessens odors from car fumes & smog
  • Creates cleaner indoor air
  • Actual Dimensions: 16" x 27 ⅛" x 5 ⅞"

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Product Details

Factory original filter from Honeywell. The PopUP revolutionizes air filtration with a design that self-assembles to drastically reduce installation time and the messiness of replacement, while maintaining a highly efficient MERV 11 air filtration rating.

  • MERV 11 efficiency rating
  • Captures & traps dust, pollen, dander, mold, and other allergens
  • Does not require pleat spacers or plastic inner housing
  • Easy to assemble
  • Simply pop out the old, dirty filter, collapse it and dispose of it without having any mess
  • Nominal Dimensions: 16" x 25" x 6"
  • Actual Dimensions: 16" x 27-1/8" x 5-7/8"
  • Replaces Aprilaire # 401 and fits Air Cleaner model 2400
Aprilaire® is a trademark of Research Products Corporation which is not affiliated or otherwise associated with  Any all all use of this mark on this site is for identification purposes only and such use is not intended to, does not, and shall not be deemed to imply any association or affiliation between National Trade Supply, LLC or and Aprilaire.  This product is not manufactured or distributed by Research Products Corporation or Aprilaire.

Replaces These Filters:

National Filter Sales:

Fits In These Systems:


How to change your furnace/air-conditioner/HVAC air filter

Estimated time: 10 minutes or less


  1. Determine the location of your filter

    Your forced air system will be similar, whether or not it is a heating (furnace) or cooling (AC) system – or both. The furnace filter housing/slot is located right next to the heating/cooling system’s air handler or blower. Your filter(s) may also be located in a return grille on the wall or ceiling of your home.

  2. Determine the type/size of filter that you use

    Typically, the dimensions or part number of the filter will be printed on the filter frame. Use this information to order a new filter.

  3. Purchase a new air filter from

    Visit and purchase a new filter. Use our filter finders to verify the correct match.

  4. Remove the old filter

    Turn off the power to the heating/cooling system and remove the old filter from its housing/slot and discard.

  5. Insert the new filter

    Pay attention to any airflow direction arrows printed on the frame of the new filter. Install the filter by sliding it into the filter housing/slot with the airflow arrow pointing towards the blower. If installing the filter in a wall or ceiling grille – the airflow arrow should point towards the wall or ceiling. Turn on the power to the forced air system.

    Enjoy cleaner air!