Custom Size NaturalAire MERV 10 Filters (12 Filters)

Using the dropdowns below select the exact size you would like us to have your filters made, length x width.

Sale price$ 229.00

Filter depth will be 1" (actual size 3/4")

Price is based on size of custom filters and will update automatically.


This filter is custom made to your exact size giving you a perfect fit to ensure no dirty air is bypassing your system.

The NaturalAire Microparticle air filter removes potentially harmful airborne particles to keep the air in your home or office clean and healthier. This very efficient replacement filter is suitable for a wide variety of systems. With a MERV 10 rating, the NaturalAire Microparticle air filter effectively captures large airborne particles.

This filter features efficient electrostatic filtration media that helps capture unwanted particles in your home, including: Pollen, Pet Dander, Mold Spores, Bacteria, and Virus Carriers.

Rated MERV 10, it has very efficient airborne particle removal and delivers the air flow you need to create an cleaner, fresher indoor environment.

The robust construction makes the filter easier to install and ensures it will last up to 90 days in your home.

  • MERV 10
  • Reduces up to 85% of large airborne particles
  • Available in almost any size to fit almost any household heating or cooling system
  • Easy to install and replace every 90 days
  • Manufactured in the USA
  • Electrostatically charged media                                                          
  • UL Classified
  • Quantity: 12 Filters
  • 1" depth available: 1" nominal = 3/4" actual size
  • Starting at $229 per case ($19.08 per filter) with Free Shipping - Pricing is based on filter size

Ordering Custom Filters

Select the length and width in the exact filter size needed with the dropdown menu options. Here is an example of how your size should be entered: 19-3/8 x 21-1/8 x 1

Fraction to decimal chart:

  • 1/8 = .125
  • 1/4 = .25
  • 3/8 = .375
  • 1/2 = .5
  • 5/8 = .625
  • 3/4 = .75
  • 7/8 = .875
Filter Chart Measure Ruler

Filter Fit Guarantee™

Custom Size Filter Disclaimer

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