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

When we protect your filter purchase with our No Worries Guarantee, we mean it!

No Worries...
  • Your filters are guaranteed to be the right fit!
  • Our products are price match guaranteed!
  • Our customer service team is guaranteed to answer your call!
  • 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
Clear All
Compare

Items 241 to 288 of 314 total

Page:
  1. 3
  2. 4
  3. 5
  4. 6
  5. 7

Grid  List 

Set Descending Direction
  • CB1-10 Pentek Carbon Block Water Filter Replacement

    CB1-10 Pentek Carbon Block Water Filter Replacement

    $15.39
    MSRP: $23.99
    Save 36%
  • C2-02 Viqua Carbon Whole House Filter

    C2-02 Viqua Carbon Whole House Filter

    $49.99
    MSRP: $89.00
    Save 44%
  • CMB-510-HF Viqua Sediment Whole House Filter

    CMB-510-HF Viqua Sediment Whole House Filter

    $16.99
    MSRP: $19.34
    Save 12%
  • RFC-93 Pentek Radial Flow Carbon Water Filter Cartridge

    RFC-93 Pentek Radial Flow Carbon Water Filter Cartridge

    $23.99
    MSRP: $27.99
    Save 14%
  • EPM-BB Pentek Comparable Whole House Water Filter by Tier1 (6-Pack)
  • Hydronix SDC-45-1020 Sediment Filter Cartridge
  • Hydronix SDC-45-2001 Whole House Sediment Filter Cartridge
  • Hydronix SDC-45-2005 Whole House Sediment Filter Cartridge
  • SDC-45-2010 Hydronix Water Filter Cartridge

    SDC-45-2010 Hydronix Sediment Water Filter Cartridge

    $25.99 MSRP: $34.99
    Save 26%
  • SDC-45-2020 Hydronix Sediment Water Filter
  • Pentek CHLORPLUS-10 Whole House Water Filter Replacement Cartridge
  • DGD-2501-20 Pentek Whole House Sediment Filter
  • DGD-2501 Pentek Whole House Water Filter
  • DGD-5005-20 Pentek Whole House Water Filter

    DGD-5005-20 Pentek Whole House Filter Replacement Cartridge

    $21.59 MSRP: $25.76
    Save 16%
  • DGD-5005 Pentek Whole House Filter Cartridge
  • DGD-7525-20 Pentek Whole House Water Filter
  • DGD-7525 Pentek Whole House Sediment Filter
  • Pentek EP-10 Replacement Water Filter Cartridge

    Pentek EP-10 Filter Cartridge Replacement

    $11.99 MSRP: $15.34
    Save 22%
  • Pentek EP-20 Replacement Water Filter Cartridge

    Pentek EP-20 Water Filter Cartridge Replacements

    $17.99 MSRP: $20.00
    Save 10%
  • EP-20BB Pentek Replacement Water Filter

    EP-20BB Pentek Replacement Filter Cartridge

    $50.99 MSRP: $69.77
    Save 27%
  • EP-BB Pentek Replacement Filter Cartridge

    EP-BB Pentek Replacement Filter Cartridge

    $27.99 MSRP: $32.32
    Save 13%
  • EPM-20 Pentek Whole House Water Filter

    Pentek EPM-20 Whole House Water Filter Replacement Cartridge

    $15.99 MSRP: $19.34
    Save 17%
  • EPM-20BB Pentek Whole House Filter Cartridge

    EPM-20BB Pentek Whole House Filter Replacement Cartridge

    $47.99 MSRP: $59.99
    Save 20%
  • Pentek EPM-BB Replacement Water Filter Cartridge

    Pentek EPM-BB Water Filter Cartridge Replacement

    $26.99 MSRP: $34.49
    Save 22%
  • Pentek P1-20 Whole House Water Filter Replacement Cartridge
  • EPM-10 Pentek Comparable Undersink Filter Replacement Cartridge by Tier1
  • EP-10 Pentek Comparable Carbon Block Water Filter by Tier1

    EP-10 Pentek Comparable Carbon Block Water Filter by Tier1

    $8.49 MSRP: $11.49
    Save 26%
  • EPM-BB Pentek Comparable Carbon Whole House Water Filter

    EPM-BB Pentek Comparable Whole House Water Filter by Tier1

    $17.99 MSRP: $30.99
    Save 42%
  • P1 Pentek 10 x 2.5-inch Whole House Sediment Water Filter Replacement
  • DGD-2501 Tier1 Pentek Comparable Whole House Sediment Water Filter
  • P5 Pentek Comparable Whole House Replacement Sediment Filter Cartridge by Tier1
  • DGD-5005 Pentek Whole House Filter Replacement Cartridge by Tier1
  • P5-20 Pentek Comparable Whole House Sediment Water Filter by Tier1
  • DGD-5005-20 Pentek Whole House Filter Replacement Cartridge by Tier1
  • Pentek P1 Polyproplyene Water Filter (10 x 2 1/2)
  • Pentek P25-20 Whole House Replacement Sediment Filter Cartridge
  • Pentek P25 Whole House Replacement Sediment Filter Cartridge
  • P5-20 Pentek Whole House Filter Replacement Cartridge

    P5-20 Pentek Whole House Filter Replacement Cartridge

    $8.99 MSRP: $15.99
    Save 44%
  • P5 Pentek Whole House Replacement Sediment Filter Cartridge

    P5 Pentek Whole House Replacement Sediment Filter Cartridge

    $6.99 MSRP: $10.34
    Save 32%
  • Pentek PD-10-20 Whole House Replacement Sediment Water Filter
  • Pentek PD-10-934 Whole House Water Filter Replacement Cartridge

    PD-10-934 Pentek Whole House Filter Replacement Cartridge

    $6.99 MSRP: $8.15
    Save 14%
  • Pentek PD-25-20 Whole House Replacement Sediment Water Filter
  • Pentek PD-25-934 Whole House Water Filter Replacement Cartridge

    PD-25-934 Pentek Whole House Filter Replacement Cartridge

    $6.99 MSRP: $8.15
    Save 14%
  • Pentek PD-5-20 Whole House Water Filter Replacement Cartridge

    PD-5-20 Pentek Whole House Filter Replacement Cartridge

    $9.99 MSRP: $12.98
    Save 23%
  • Pentek PS20-20C Whole House Replacement Sediment Water Filter
  • Pentek PS5-10C Whole House Replacement Sediment Water Filter Cartridge
  • Pentek PS5-20C Whole House Replacement Sediment Water Filter Cartridge
  • Pentek RFC-20 Whole House Water Filter Replacement Cartridge

    RFC-20 Pentek Whole House Filter Replacement Cartridge

    $28.99 MSRP: $37.99
    Save 24%

Items 241 to 288 of 314 total

Page:
  1. 3
  2. 4
  3. 5
  4. 6
  5. 7

Grid  List 

Set Descending Direction
Scroll To Top