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Custom Filter Exact

Minimum Quantity to Buy - 6

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MERV Rating

Order Qty
$0.00 ea
$0.00 ea    

Custom Filter Exact

Minimum Quantity to Buy - 6

EXACT MEASUREMENT: Furnace and Air Conditioner Filters have an actual size that is a  fraction of an inch smaller in length and width than the listed air filter size (for example, a 20x30x1 air filter is actually 19 ½ x 29 ½ x ¾ ). Please use the actual size of your current air filter when ordering custom sizes. Use a tape measure or yardstick if necessary to measure the outer dimensions for your custom air filter order. Check Actual Sizes of our standard size furnace and air conditioner filters to make sure a standard size air filter wouldn't work for you. The actual width and length of the air filter should be within 1/8 of an inch-if not, order a custom size air filter.

FILTER THICKNESS: All Custom Nordic Pure One Inch Air Filters are actually 3/4”, All Custom Nordic Pure Two Inch Air Filters are actually 1-3/4”, and All Custom Nordic Pure Four Inch Air Filters are actually 3-3/4” thick.

NEED MORE HELP: Not sure which custom air conditioner filters and custom furnace filters are right for you?  Just give us a call today at 1-800-590-0339 or email us at  Once you decide which furnace filters or air filters fit your needs, just locate the size you want and we can take your order, or you can order online!

CONSTRUCTION: Custom air filters are made by cutting down or combining 1, 2 or 3 A/C air filter frames. Depending on the size we may use any combination of glue, staples and tape to make your custom size air filters. So, they may not be pretty but they WILL be strong enough to handle your HVAC system. Therefore, they usually cost less than our competitors, especially with the Free Shipping!

RETURNS: Nordic Pure makes any size 1”, 2” or 4” air filters for those odd size filters. Custom AC furnace air filters are not returnable since we hand make them according to your exact dimensions when you list your air filter size above. Since you can't return custom sized air filters, please make sure you order the EXACT size you need to the fraction of an inch.

SHIPPING: We try to ship our custom furnace air filters within 3-10 business days. They will be shipped from Tulsa, OK. You should receive an email when your custom order ships.  Shipping is FREE anywhere in the contiguous United States that UPS Ground ships to. We can ship to Alaska or Hawaii by special arrangement for an additional charge. Contact us for additional information. 

Custom Filter  MERV 10
Custom Filter  MERV 12
Custom Filter  MERV 13
Custom Filter  MERV 14
Custom Filter  MERV 7
Custom Filter  MERV 8

Custom / Odd Size Air Filter Center

Sold In Boxes of 6

Custom Air Filters Are NOT returnable

Custom Air Filters Furnace Air Conditioner HVAC Filter

Custom Filter Exact

Minimum Quantity to Buy - 6

Brand Nordic Pure
Manufacturer Nordic Pure
Sku CustomFilter
Shipping 1 to 5 Business Days

Aff: 2 - 5% / 2%
Nordic Pure® AC Air Filter and Furnace Filter manufacturer since 1960. (972) 382-2355
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Nordic Pure®, Inc.

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