Discount Water Filters and Air Filters at Discount Filter Store.com

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No Worries...
  • Your filters are guaranteed to be the right fit!
  • Our products are price match guaranteed!
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  • You’re guaranteed to find expert help!

Learn more about our No Worries Guarantee

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.

1-Inch Air Filter Selection Guide

Filtrete Dust & Pollen
Filtrete Dust & Pollen Reduction Filter
Filtrete Micro Allergen
Filtrete Micro Allergen Filter
Filtrete Ultra Allergen
Filtrete Ultra Allergen Filter
Filtrete Ultimate Allergen
Filtrete Ultimate Allergen Filter
Filtrete Elite Allergen
Filtrete Elite Allergen Filter
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  • Filtrete 1500 Ultra Allergen Filter - 12x12x1 (6-Pack)
  • Filtrete 1500 Ultra Allergen Filter - 12x20x1 (6-Pack)
  • Filtrete 1500 Ultra Allergen Filter - 12x24x1 (6-Pack)
  • Filtrete 1500 Ultra Allergen Filter - 12x30x1 (6-Pack)
  • Filtrete 1500 Ultra Allergen Filter - 12x36x1 (6-Pack)
  • Filtrete 1500 Ultra Allergen Filter - 14x14x1 (6-Pack)
  • Filtrete 1500 Ultra Allergen Filter - 14x20x1 (6-Pack)
  • Filtrete 1500 Ultra Allergen Filter - 14x24x1 (6-Pack)
  • 14x25x1 3M Filtrete Ultra Allergen Filter (6-Pack)
  • Filtrete 1500 Ultra Allergen Filter - 14x30x1 (6-Pack)
  • Filtrete 1500 Ultra Allergen Filter - 14x36x1 (6-Pack)
  • Filtrete 1500 Ultra Allergen Filter - 15x20x1 (6-Pack)
  • Filtrete 1500 Ultra Allergen Filter - 16x16x1 (6-Pack)
  • Filtrete 1500 Ultra Allergen Filter - 16x20x1 (6-Pack)
  • Filtrete 1500 Ultra Allergen Filter - 16x24x1 (6-Pack)
  • Filtrete 1500 Ultra Allergen Filter - 16x25x1 (6-Pack)
  • Filtrete 1500 Ultra Allergen Filter - 16x30x1 (6-Pack)
  • Filtrete 1500 Ultra Allergen Filter - 17.5x23.5x1 (6-Pack)
  • 18x18x1 3M Filtrete Ultra Allergen Filter (6-Pack)
  • Filtrete 1500 Ultra Allergen Filter - 18x24x1 (6-Pack)
  • Filtrete 1500 Ultra Allergen Filter - 18x30x1 (6-Pack)
  • Filtrete 1500 Ultra Allergen Filter - 20x20x1 (6-Pack)
  • Filtrete 1500 Ultra Allergen Filter - 20x24x1 (6-Pack)
  • Filtrete 1500 Ultra Allergen Filter - 20x25x1 (6-Pack)
  • Filtrete 1500 Ultra Allergen Filter - 20x30x1 (6-Pack)
  • Filtrete 1500 Ultra Allergen Filter - 22x22x1 (6-Pack)
  • Filtrete 1500 Ultra Allergen Filter - 23.5x23.5x1 (6-Pack)
  • Filtrete 1500 Ultra Allergen Filter - 24x24x1 (6-Pack)
  • Filtrete 1500 Ultra Allergen Filter - 24x30x1 (6-Pack)
  • Filtrete 1500 Ultra Allergen Filter - 25x25x1 (6-Pack)
  • Filtrete 600 Dust Reduction Clean Living Filter - 10x20x1 (6-Pack)
  • Filtrete 1900 Ultimate Allergen Filter - 18x24x1 (6-Pack)
  • FAPF02 Filtrete Ultra Clean Air Purifier Replacement Filter
  • 3M Filtrete 600 Dust & Pollen Air Filter (24x24x1)

    3M Filtrete 600 Dust & Pollen Air Filter (24x24x1)

    $95.99
    MSRP: $119.59
    Save 20%
  • 3M Filtrete 600 Dust & Pollen Air Filter (12x30x1)
  • 3M Filtrete 600 Dust & Pollen Air Filter (16x16x1)

    3M Filtrete 600 Dust & Pollen Air Filter (16x16x1)

    $66.99
    MSRP: $94.29
    Save 29%
  • 3M Filtrete 600 Dust & Pollen Air Filter (18x30x1)
  • 3M Filtrete 600 Dust & Pollen Air Filter (16x24x1)

    3M Filtrete 600 Dust & Pollen Air Filter (16x24x1)

    $69.99
    MSRP: $91.99
    Save 24%
  • W25P American Plumber Whole House Sediment Filter Cartridge (2-Pack)
  • W5P American Plumber Whole House Sediment Filter Cartridge (2-Pack)
  • WPD-110 American Plumber Whole House Sediment Filter Cartridge (2-Pack)
  • WRC25HD American Plumber Whole House Heavy Duty Filter Cartridge
  • WRC25HD20 American Plumber Whole House 20-inch Heavy Duty Filter Cartridge
  • AP1001 3M Aqua-Pure Whole House Filter Replacement Cartridge
  • 3M Aqua-Pure AP110 Whole House Water Filter Cartridge

    3M Aqua-Pure AP110 Whole House Filter Replacement Cartridge

    $11.99
    MSRP: $18.14
    Save 34%
  • 3M Aqua-Pure AP124 Whole House Water Filter Cartridge

    AP124 3M Aqua-Pure Whole House Filter Replacement Cartridge

    $12.99
    MSRP: $17.24
    Save 25%

    Out of stock

  • 3M Aqua-Pure AP420 Water Filter Replacement Cartridge
  • 3M Aqua-Pure AP810-2 Whole House Water Filter Cartridge

Items 97 to 144 of 355 total

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