23.5x23.5x1 Furnace Filters and Air Conditioner Filters

Sort By:

Page of 1

3M Filtrete Micro Allergen Filter

Starting Price $12.99

Great choice for people who want to improve their Indoor Air Quality and help reduce allergens and microscopic particles from the air in their homes including nuisance household dust.

3M Filtrete Ultra Allergen Filter

Starting Price $17.99

Filtrete high performance Ultra Allergen filters carry a microparticle rating of 1500 and capture small and large particles including smoke, smog and particles that carry viruses. They also meet the American Lung Association indoor air quality guidelines.

3M Filtrete Ultimate Allergen Filter

Starting Price $19.99

Out performs the Filtrete Advanced Allergen!

If you don't see the brand or style of filter you are looking for in your size click here for custom filters.