AIRx 20x25x5HW-SK-DUST | Our#: 199846

20x25x5 AIRx DUST Replacement for Lennox X6673 Air Filter - MERV 8

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AIRx 20x25x5HW-SK-DUST | Our#: 199846

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  •  100% Compatibility Guarantee

Enjoy a cleaner home with less work

  • Reduces dust, lint, dust mites, pollen
  • Will help keep your HVAC system clean
  • Maintains superior airflow
  • Creates cleaner indoor air
  • Actual Dimensions: 19 ¾" x 24 ¾" x 4 ⅜"

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  •  Fast Shipping & Free Returns
  •  100% Compatibility Guarantee
Frequently Purchased Together
Frequently Purchased Together

Product Details

Is this the right air filter for you?

If you want to protect your HVAC equipment and remove common particulate from your air, this is the filter for you. You'll have trouble finding this filter at the local hardware store,  and you'll pay a premium if you purchase it through your contractor.  Make it easy on yourself and purchase online.  We'll deliver quickly to your front door.

  • Quality 4-3/8" pleated air filter offers improved filtration and longer service life over common 1" filters 
  • MERV 8 rating means the filter attracts common allergens like dust, pollen and mold spores
  • Replaces the popular Lennox Healthy Climate X6673 - nominal size 20x25x5 (or 20x25x4) 
  • Replace every 6-9 months under normal use
  • Made with pride in the USA
  • Fast Shipping and Free Returns on all filters
  • This filter is not manufactured by Lennox

What does this air filter remove?

What part numbers does this filter replace?

  • Lennox Healthy Climate X6673, HCF20-10, X0586

Do you want to know about the technical specs?

Nominal Dimensions
20 x 25 x 5"
Actual Dimensions
19 ¾ x 24 ¾ x 4 ⅜"
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:

Lennox:
19L17
HCF20-10
X0586
X6673
National Filter Sales:
20x25x5
PF-01-202505HW-2

Fits In These Systems:

Lennox:
HCC20-28

Lennox® and Healthy Climate® are registered trademarks of Lennox International Inc.. National Trade Supply, Inc, DiscountFilters.com and AIRx are not affiliated with Lennox International Inc.



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!