3M Filtrete Air Conditioner & Furnace Air Filters

Replace your old air filter with a Filtrete air/furnace filter from Discount Filter Store

Clean air filters can reduce pollen and allergens in the air while reducing the energy cost of your home's HVAC system. Save time and money by ordering the right filter at the right price, delivered to your door!  Choose from five different styles of 3M Filtrete air filters, in over 30 sizes, each available with four different MERV Ratings, 8, 11, 12, and 15.  No matter what you’re wanting to filter out of the air, whether it just lint dust, and pet hair or things including pollen, dust mites, smoke, and bacteria, Discount Filter Store has a 3M Filtrete air filter to meet your needs.

All Filtrete air filters are designed with the Filtrete™ brand 3-in-1 technology from 3M, that pulls in and traps unwanted particles, while letting the cleaner air flow through, helping you home stay fresher, cleaner, and healthier, longer.

Looking for another brand of air filters, Discount Filter Store’s line of Tier1 air filters, fits hundreds of the industry’s most popular air filter brands, including, Aprilaire, Carrier, Honeywell, Lennox, and more; all available at prices that won’t break your bank.

Shop our huge selection of Filtrete air filters today and enjoy a fresh, clean home.

Filtrete Dust & Pollen Select size 10x20x1 12x12x1 12x20x1 12x24x1 14x14x1 14x20x1 14x24x1 14x25x1 15x20x1 16x20x1 16x25x1 16x30x1 18x18x1 18x24x1 20x20x1 20x25x1 20x30x1 25x25x1

Filtrete Micro Allergen Select size 10x20x1 12x12x1 12x20x1 12x24x1 12x30x1 12x36x1 14x14x1 14x20x1 14x24x1 14x25x1 14x30x1 14x36x1 15x20x1 16x16x1 16x20x1 16x24x1 16x25x1 16x30x1 17.5x23.5 18x18x1 18x24x1 18x30x1 20x20x1 20x24x1 20x25x1 20x30x1 20x36x1 22x22x1 23.5x23.5 24x24x1 24x30x1 25x25x1

Filtrete Ultra Allergen Select size 10x20x1 12x12x1 12x20x1 12x24x1 12x30x1 12x36x1 14x14x1 14x20x1 14x24x1 14x25x1 14x30x1 14x36x1 15x20x1 16x16x1 16x20x1 16x24x1 16x25x1 16x30x1 17.5x23.5 18x18x1 18x24x1 18x30x1 20x20x1 20x24x1 20x25x1 20x30x1 22x22x1 23.5x23.5 24x24x1 24x30x1 25x25x1

Filtrete Ultimate Allergen Select size 10x20x1 12x12x1 12x24x1 14x14x1 14x20x1 14x24x1 14x25x1 14x30x1 16x16x1 16x20x1 16x25x1 17.5x23.5 18x18x1 18x24x1 20x20x1 20x24x1 20x25x1 20x30x1 23.5x23.5 24x24x1 24x30x1

Filtrete Micro Allergen Select size 14x20x1 14x25x1 16x20x1 16x25x1 20x20x1 20x25x1 20x30x1