AIRx 16x25x3AB-ALLERGY | Our#: 176737

16x25x3 AIRx ALLERGY Ultravation Replacement Air Filter - MERV 11

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AIRx 16x25x3AB-ALLERGY | Our#: 176737

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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: 15 ¾" x 24 ¼" x 3"

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Product Details

Note - these are not manufactured by Ultravation. Does not contain gold media like Ultravation OEM product. Still rated MERV 11. The aftermarket replacement filter for the OEM Ultravation filter includes a MERV 11 rating. It replaces Ultravation Part # 91-007 and fits in Ultravation Air Cleaner model 90-005. It removes 90% of all particulates between one and three microns. Deep pleats traps pollen, dirt, dust, mold and a variety of odors. A moisture resistant frame prevents mold and mildew growth in any climate. Galvanized wire keeps the filter sturdy. To secure the filter into place, use the included foam gasket. Replacing the filter every six months provides clean and healthy indoor air.

  • rated MERV 11
  • aftermarket part does not include gold media found in the Ultravation OEM product
  • removes mold, dust, pollen and odors between one and three microns in size
  • deep pleated design efficiently removes indoor air impurities
  • frame resists moisture
  • galvanized wire gives the filter rigidity
  • foam gasket seals the filter into place
  • six month recommended replacement
  • 16" x 25" x 3" nominal size
  • 15-¾” x 24-¼” x 3" actual size

Do you want to know about the technical specs?

Nominal Dimensions
16 x 25 x 3"
Actual Dimensions
15 ¾ x 24 ¼ x 3"
Filter Media
Electrostatically charged 100% synthetic gradient media that does not support microbiological growth
Filter Support Grid
30 gauge galvanized expanded metal grid
Moisture resistant double-wall beverage board
Max Temperature
180F (82C) continuous service, peak 225F (107C)
Max Humidity
Resistant to 100% R.H.

Replaces These Filters:

National Filter Sales:

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!