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

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Furnace & Air Conditioner Filters

Tier1 water filters are built to deliver maximum performance, at an affordable price. Our Tier1 brand refrigerator water filters are comparable to the OEM models, including the brands Amana, GE, Kenmore, KitchenAid, LG, Maytag, Whirlpool and more. The Tier1 replacement water filters will significantly reduce chlorine, dirt and sediment just like the OEM brands. Buy a Tier1 refrigerator water filter and ensure you serve only the cleanest water, and pay only the best price. Buy a Tier1 refrigerator water filter and ensure you serve only the cleanest water, and pay only the best price. For more Tier1 products and filters click here.


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  1. DPFI16X26X5DLX Tier1 Replacement Air Filter - 16X26X5 (2-Pack)

    Tier1 brand replacement for Lennox X0584 - 16 x 26 x 5 - MERV 8 (2-Pack)

    Fits Lennox Healthy Climate model number BMAC-14CE Learn More
  2. DPFI20X26X5DLX Tier1 Replacement Air Filter - 20X26X5 (2-Pack)

    Tier1 brand replacement for Lennox X0587 - 20 x 26 x 5 - MERV 8 (2-Pack)

    Fits Lennox Healthy Climate model number BMAC20-CE Learn More
  3. DPFL16X26X5 Tier1 Replacement Air Filter - 16X26X5 (2-Pack)
  4. DPFL20X21X5 Tier1 Replacement Air Filter - 20X21X5 (2-Pack)

    Tier1 brand replacement for Lennox X8790 - 20 x 21 x5 - MERV 8 (2-Pack)

    Fits Lennox Pure Air model number PCO14-23 Learn More
  5. DPFL20X26X5 Tier1 Replacement Air Filter - 20X26X5 (2-Pack)
  6. DPFR16X25X3DLX Tier1 Replacement Air Filter - 16X25X3 (3-Pack)

    Tier1 brand replacement for Lennox X0581 - 16 x 25 x 3 - MERV 8 (3-Pack)

    Fits Lennox Healthy Climate model number BMAC-12C and P101-MF12 Learn More
  7. DPFR20X25X5DLX Tier1 Replacement Air Filter - 20X25X5 (2-Pack)

    Tier1 brand replacement for Lennox X1152 - 20 x 25 x 5 - MERV 8 (2-Pack)

    Fits Lennox Healthy Climate model numbers BMAX-20C, BMAX-20CE, 2000, 3152, MAC-10 Learn More
  8. DPFS16X28X6DLX Tier1 Replacement Air Filter - 16X28X6 (2-Pack)

    Tier1 brand replacement for Lennox X5425 - 16 x 28 x 6 - MERV 8 (2-Pack)

    Fits Lennox and Healthy Climate model number PMAC12-C Learn More
  9. DPFS20X25X6DLX Tier1 Replacement Air Filter - 20X25X6 (2-Pack)

    Tier1 brand replacement for Lennox X0445 - 20 x 25 x 6 - MERV 8 (2-Pack)

    Fits Lennox Healthy Climate model number PMAC20-C Learn More
  10. DPFW16X20X5DLX Tier1 Replacement Air Filter - 16X20X5 (2-Pack)

    Tier1 brand replacement for Lennox X0582 - 16 x 20 x 5 - MERV 8 (2-Pack)

    Fits Honeywell air cleaner models F100F1004, F150E1000, F100F1004 and F25F1075 Learn More
  11. DPFW16X25X5DLX Tier1 Replacement Air Filter - 16X25X5 (2-Pack)

    Tier1 brand replacement for Lennox X0583 - 16 x 25 x 5 - MERV 8 (2-Pack)

    Fits Lennox Healthy Climate model numbers HCC16-28, HCF16-10 and HCF16-16 Learn More
  12. Tier1 brand replacement for Lennox X0585 - 20 x 20 x 5 - MERV 8 (2-Pack)

    Tier1 brand replacement for Lennox X0585 - 20 x 20 x 5 - MERV 8 (2-Pack)

    Fits Lennox Healthy Climate model numbers HCC14-23, HCF14-10 and HCF14-16 Learn More
  13. DPFW20X25X5DLX Tier1 Replacement Air Filter - 20X25X5 (2-Pack)

    Tier1 brand replacement for Lennox X0586 - 20 x 25 x 5 - MERV 8 (2-Pack)

    Fits Lennox Healthy Climate model number BMAC-20C, HCF20-16, HCF20-10, HCXF20-15, HCC20-28, HCF20-10 and HCF20x16 Learn More

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