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

When we protect your filter purchase with our No Worries Guarantee, we mean it!

No Worries...
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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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  • DPFI16X21X5M11DEA Tier1 Replacement Air Filter - 16X21X5 (2-Pack)
  • DPFI16X21X5OBDEA Tier1 Replacement Air Filter - 16X21X5 (2-Pack)
  • DPFI16X26X5M13DEA Tier1 Replacement Air Filter - 16X26X5 (2-Pack)
  • DPFI20X21X5DEA Tier1 Replacement Air Filter - 20X21X5 (2-Pack)
  • DPFI20X21X5M11DEA Tier1 Replacement Air Filter - 20X21X5 (2-Pack)
  • DPFI20X26X5M13DEA Tier1 Replacement Air Filter - 20X26X5 (2-Pack)

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