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. For more Tier1 products and filters click here.


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  • DPFI16X21X5M13 Tier1 Replacement Air Filter - 16X21X5 (2-Pack)
  • DPFI16X21X5M13DCM Tier1 Replacement Air Filter - 16X21X5 (2-Pack)
  • DPFI16X21X5M13DEA Tier1 Replacement Air Filter - 16X21X5 (2-Pack)
  • DPFI20X21X5M13DEA Tier1 Replacement Air Filter - 20X21X5 (2-Pack)
  • DPFI20X21X5M13DEM Tier1 Replacement Air Filter - 20X21X5 (2-Pack)
  • DPFPC20X25X5M13D5S Tier1 Replacement Air Filter - 20X25X5 (2-Pack)
  • DPFPCC0017M11 Tier1 Replacement Air Filter - 16x20x4.25 (2-Pack)
  • DPFPCC0017M11DBP Tier1 Replacement Air Filter - 16x20x4.25 (2-Pack)
  • DPFPCC0017M11DBT Tier1 Replacement Air Filter - 16x20x4.25 (2-Pack)
  • DPFPCC0017M11DDN Tier1 Replacement Air Filter - 16x20x4.25 (2-Pack)
  • DPFPCC0017M11DPN Tier1 Replacement Air Filter - 16x20x4.25 (2-Pack)
  • DPFPCC0017M11DTL Tier1 Replacement Air Filter - 16x20x4.25 (2-Pack)
  • DPFPCC0021M11 Tier1 Replacement Air Filter - 19x20x4.25 (2-Pack)
  • DPFPCC0021M11DBP Tier1 Replacement Air Filter - 19x20x4.25 (2-Pack)
  • DPFPCC0021M11DBT Tier1 Replacement Air Filter - 19x20x4.25 (2-Pack)
  • DPFPCC0021M11DDN Tier1 Replacement Air Filter - 19x20x4.25 (2-Pack)
  • DPFPCC0021M11DPN Tier1 Replacement Air Filter - 19x20x4.25 (2-Pack)
  • DPFPCC0021M11DTL Tier1 Replacement Air Filter - 19x20x4.25 (2-Pack)
  • DPFPCC0021M13 Tier1 Replacement Air Filter - 19x20x4.25 (2-Pack)
  • DPFR16X25X3DBP Tier1 Replacement Air Filter - 16X25X3 (3-Pack)
  • DPFR16X25X3DBT Tier1 Replacement Air Filter - 16X25X3 (3-Pack)
  • DPFR16X25X3DCR Tier1 Replacement Air Filter - 16X25X3 (3-Pack)
  • DPFR16X25X3DDN Tier1 Replacement Air Filter - 16X25X3 (3-Pack)
  • DPFR16X25X3DGB Tier1 Replacement Air Filter - 16X25X3 (3-Pack)
  • DPFR16X25X3DGL Tier1 Replacement Air Filter - 16X25X3 (3-Pack)
  • DPFR16X25X3DLX Tier1 Replacement Air Filter - 16X25X3 (3-Pack)
  • DPFR16X25X3DPN Tier1 Replacement Air Filter - 16X25X3 (3-Pack)
  • DPFS16X28X6M13DLX Tier1 Replacement Air Filter - 16X28X6 (2-Pack)
  • DPFS16X28X6M13DWR Tier1 Replacement Air Filter - 16X28X6 (2-Pack)
  • Tier1 brand replacement for Aprilaire #201 - 20 x 25 x 6 - MERV 13 (2-Pack)

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