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Furnace & Air Conditioner Filters

Tier1 water filters are built to deliver maximum performance, at an affordable price. Our Tier1 brand 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.


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  1. DPFS20X25X6OB Tier1 Replacement Air Filter - 20X25X6 (2-Pack)

    Tier1 brand replacement for Aprilaire #201 - 20 x 25 x 6 - Carbon Filter Upgrade (2-Pack)

    Fits air cleaner models Aprilaire/Space-Gard 2200 and 2250 Learn More
    $82.84
  2. DPFS20X25X6OBDLX Tier1 Replacement Air Filter - 20X25X6 (2-Pack)
  3. DPFS20X25X6OBDWR Tier1 Replacement Air Filter - 20X25X6 (2-Pack)

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