Nordic Pure


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Pleated Air Condition and Furnace Filters


Nordic Pure air filters offer the perfect affordable solution to clean indoor air.  Our hypoallergenic pleated 20x24x1 air conditioner filters are proven to significantly reduce a wide array of airborne particulates, reducing annoying dust, decreasing common allergens, and improving the overall indoor air quality of your climate controlled space.  A permanent electrostatic charge enables Nordic Pure furnace filters to inhibit the growth of bacteria, mold, mildew, and fungi.  Purify the air in your home or commercial property with a Nordic Pure 20x24x1 antimicrobial air filter today!

  • Air Filter Size: 20x24x1
  • Actual Air Filter Dimensions:  19 ½ x 23 ½ x 3/4
  • Made in USA

Buy More & Save

The 20x24x1 air conditioning filter comes in two different quantities – Buy a BOX OF 6 or save money with a BOX OF 12!

Shipping Info

We offer FREE shipping for your 20x24x1 air filter to anywhere in the continental United States.  We also provide a 30-day money-back guarantee if you are in any way unsatisfied with the product.

Air Filter Composition

The hypoallergenic and antimicrobial Nordic Pure 20x24x1 air filters are manufactured in the USA from the following new and recycled materials: metal wire mesh, polyfiber media and recycled beverage board.

Air Filter Size v. Actual Air  Filter Dimensions

Industry standards dictate that air conditioner filters be a fraction smaller than the size printed on the box.  You should measure the exact size of your furnace filter and compare it to the “Actual Air Filter Dimensions” listed above before placing your order. 

MERV Ratings: What You Need To Know

MERV Ratings, or the Minimum Efficiency Reporting Value, are an industry standard rating the effectiveness of air filters and purifiers in Central HVAC systems.  Such systems typically use MERV air filters because they are less dense than HEPA filters, allowing for quicker circulation and lower operating costs.  The American Society of Heating, Refrigerating and Air Conditioning Engineers (ASHRAE) specifies MERV Ratings on a scale from 1-20 – Nordic Pure 20x24x1 furnace filters are available in several different  MERV ratings. We manufacture MERVs 7, 8, 10, 11, 12, 13, and 14 and offer the option of adding carbon media to each of the MERVs. Our electrostatic MERV Plus Carbon air conditioning filter has a MERV media plus an added layer of polyester based media impregnated with activated carbon.

MERV Ratings: Which Is Right For Me?

The universal standard for AC furnace filters is a MERV Rating, but some competitors use proprietary MPR or FPR standards for rating the effectiveness of air filters.  If you are new to MERV click on What is MERV above to see which corresponding MERV Rating you need for your 20x24x1 AC filters.  If you are experiencing dirty air or excessive dust, try stepping up to the next level MERV Rating, but remember – the more efficient an air filter is, the more it tends to resist air flow.  For most residential environments, a MERV 12 is recommended but please review specific guidelines provided in your AC furnace unit instruction manual.

Maintaining Your Air Filter – Check, Change & Reorder

For the typical industrial, commercial or residential application, we recommend replacing your 20x24x1 air filters every 30, 60 or 90 days.  Please keep in mind, however, that environmental conditions vary and more frequent maintenance may be required to achieve optimal results. 

About Nordic Pure

Nordic Pure has been manufacturing its products in the USA since 1960.   Our 1”, 2” and 4” (and select 5” and 6”) pleated air conditioning filters are always in stock, and we can also manufacture custom AC furnace filters to meet your unique needs.  Buy in single or multiple quantities for your home or commercial property – there’s no comparison for the price!  If you’re interested in setting up a wholesale account contact us and we’ll be glad to work with you.  If you have any questions about our products please call us at 1-800-590-0339 today!

Visit ladbrokes manufactured direct since 1960 all standard AC Furnace Air Filters and all custom sized AC Furnace Air Filters.

Standard Filter Sizes  Custom Pleated Filters Work From Home  Wholesale Pricing