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Air Conditioner & Furnace Air Filters By Brand

Whether you’re looking for one air conditioner/ furnace filter to replace your old dirty one or to stock up on furnace air filters, Discount Filter Store can help, by providing you with more, for less.  We offer air conditioner filters from some of the industry’s top manufacturers including 3M Filtrete, Bryant, Aprilaire, Honeywell, and more.

Not sure which filter is right for your home?  Our helpful experts are also here to make sure you find the filter you need. Give us a call at 1-800-277-3458, and we’ll answer all your air filter questions.

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  1. DPFS20X2525X350 Tier1 Replacement Air Filter - 20x25.25x3.5 (2-Pack)

    Tier1 brand replacement for Aprilaire #102 - 20 x 25.25 x 3.5 - MERV 8 (2-Pack)

    Fits Aprilaire/Space-Gard Model No. 2120 (Part #102) Learn More
    $52.63 Retail Price:  $62.82
  2. DPFS20X2525X350M11 Tier1 Replacement Air Filter - 20x25.25x3.5 (2-Pack)

    Tier1 brand replacement for Aprilaire #102 - 20 x 25.25 x 3.5 - MERV 11 (2-Pack)

    Fits Aprilaire/Space-Gard Model No. 2120 (Part #102) Learn More
    $59.99 Retail Price:  $71.29
  3. DPFS20X2525X350M13 Tier1 Replacement Air Filter - 20x25.25x3.5 (2-Pack)

    Tier1 brand replacement for Aprilaire #102 - 20 x 25.25 x 3.5 - MERV 13 (2-Pack)

    Fits Aprilaire/Space-Gard Model No. 2120 (Part #102) Learn More
    $68.95 Retail Price:  $81.59
  4. DPFS20X2525X350OB Tier1 Replacement Air Filter - 20x25.25x3.5 (2-Pack)

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