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Water Filters & Air Filters Brands

Whether you’re looking to replace your inline water filter or trying to find the best air purifiers, we can help you by providing quality filters for less. Discount Filter Store offers the top filter brands, such as PUR, Honeywell, and ZeroWater to help make sure that you have worry-free water. 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 your filter questions from reverse osmosis water filtration systems to air humidifiers, to get you to the product you need.

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  1. DPFT21X235X5AM11 Tier1 Replacement Air Filter - 21X235X5 (2-Pack)

    Tier1 brand replacement for Trane BAYFTAH23M - 21 x 23-1/2 x 5 - MERV 11 (2-Pack)

    Fits Trane air cleaner models AFM235A0AH0, TFM235A0AH00, TFM235A0AH10, TFM235B0AH01 and TFM235B0AH0A Learn More
    $80.64 Retail Price:  $95.04
  2. DPFT21X235X5AM11DAD Tier1 Replacement Air Filter - 21X235X5 (2-Pack)

    Tier1 brand replacement for American Standard BAYFTAH23M - 21 x 23-1/2 x 5 - MERV 11 (2-Pack)

    Fits American Standard air cleaner models AFM235A0AH0, TFM235A0AH00, TFM235A0AH10, TFM235B0AH01 and TFM235B0AH0A Learn More
  3. DPFT21X235X5AM13 Tier1 Replacement Air Filter - 21X235X5 (2-Pack)

    Tier1 brand replacement for Trane BAYFTAH23M - 21 x 23-1/2 x 5 - MERV 13 (2-Pack)

    Fits Trane air cleaner models AFM235A0AH0, TFM235A0AH00, TFM235A0AH10, TFM235B0AH01 and TFM235B0AH0A Learn More
    $85.12 Retail Price:  $100.19
  4. DPFT21X235X5AM13DAD Tier1 Replacement Air Filter - 21X235X5 (2-Pack)

    Tier1 brand replacement for American Standard BAYFTAH23M - 21 x 23-1/2 x 5 - MERV 13 (2-Pack)

    Fits American Standard air cleaner models AFM235A0AH0, TFM235A0AH00, TFM235A0AH10, TFM235B0AH01 and TFM235B0AH0A Learn More
  5. DPFT21X235X5AM8 Tier1 Replacement Air Filter - 21X235X5 (2-Pack)

    Tier1 brand replacement for Trane BAYFTAH23M - 21 x 23-1/2 x 5 - MERV 8 (2-Pack)

    Fits Trane air cleaner models AFM235A0AH0, TFM235A0AH00, TFM235A0AH10, TFM235B0AH01 and TFM235B0AH0A Learn More
    $76.16 Retail Price:  $89.88
  6. DPFT21X235X5AM8DAD Tier1 Replacement Air Filter - 21X235X5 (2-Pack)

    Tier1 brand replacement for American Standard BAYFTAH23M - 21 x 23-1/2 x 5 - MERV 8 (2-Pack)

    Fits American Standard air cleaner models AFM235A0AH0, TFM235A0AH00, TFM235A0AH10, TFM235B0AH01 and TFM235B0AH0A Learn More
  7. DPFT21X235X5OB Tier1 Replacement Air Filter - 21X235X5 (2-Pack)

    Tier1 brand replacement for Trane BAYFTAH23M - 21 x 23-1/2 x 5 - Carbon Filter Upgrade (2-Pack)

    Fits Trane air cleaner models AFM235A0AH0, TFM235A0AH00, TFM235A0AH10, TFM235B0AH01 and TFM235B0AH0A Learn More
  8. DPFT21X235X5OBDAD Tier1 Replacement Air Filter - 21X235X5 (2-Pack)

    Tier1 brand replacement for American Standard BAYFTAH23M - 21 x 23-1/2 x 5 - Carbon Filter Upgrade (2-Pack)

    Fits American Standard air cleaner models AFM235A0AH0, TFM235A0AH00, TFM235A0AH10, TFM235B0AH01 and TFM235B0AH0A Learn More

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