AIRx 20x20x5AB-ALLERGY | Our#: 177900

20x20x5 AIRx ALLERGY ReservePro 4531 Replacement Air Filter - MERV 11

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AIRx 20x20x5AB-ALLERGY | Our#: 177900

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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: 19 11⁄16" x 20 11⁄16" x 4 15⁄16"
20x20x5 AIRx ALLERGY ReservePro 4531 Replacement Air Filter - MERV 11

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$36.81 (2 Filters for $73.62)
In Stock
Ships Tuesday
  •  Fast Shipping & Free Returns
  •  100% Compatibility Guarantee
Frequently Purchased Together

Product Details

Is this the right air filter for you?

If you want to reduce particles in your home that aggravate your allergies, this is the filter for you!  Shopping for filters doesn't have to be difficult.  We'll delivery quickly to your front door.

  • Quality 5" pleated air filter offers improved filtration and longer service life over common 1" filters 
  • MERV 11 rating means the filter attracts common large household allergens like dust, pollen, and mold spores
  • Replaces the ReservePro part # 4531 - nominal size 20x20x5
  • Foam gasketing prevents air bypass
  • Replace every 6 months under normal use
  • Made with pride in the USA
  • Fast Shipping and Free Returns on all filters

What does this air filter remove?

What part numbers does this filter replace?

  • ReservePro 4531, 5FM2020

Do you want to know about the technical specs?

Nominal Dimensions
20 x 20 x 5"
Actual Dimensions
19 11⁄16 x 20 11⁄16 x 4 15⁄16"
Filter Media
Electrostatically charged 100% synthetic gradient media that does not support microbiological growth
Filter Support Grid
30 gauge galvanized expanded metal grid
Frame
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:
20x20x5
PF-02-202005AB-1


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

Estimated time: 10 minutes or less

Steps

  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 DiscountFilters.com

    Visit DiscountFilters.com 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!