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Best Seller

MERV 8 Rated Pleated Filter. Great choice to improve air quality and maximize air flow.

Best Air Quality

MERV 13 Rated Pleated Filter. Provides maximum protection for your home or business.

  • Good - MERV 8
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  • Learn about MERV
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  • Best Selling
    Best for...
    • All Around
    • Air Quality
    • Air Flow
    • Health
    • Pets
    • Virus Carriers
    Shop All Best Sellers
    • Pleated Filters
    • Fiberglass Filters
    • Residential
    • Commercial
    • Customer Top Picks
    Best Seller

    MERV 8 Rated Pleated Filter. Great choice to improve air quality and maximize air flow.

    Best Air Quality

    MERV 13 Rated Pleated Filter. Provides maximum protection for your home or business.

  • Subscription
    Shop by MERV
    • Good - MERV 8
    • Better - MERV 10
    • Best - MERV 13
    • Learn about MERV
    Shop by Model
    • NaturalAire Standard
    • NaturalAire Microparticle
    • NaturalAire Health
    Shop by Price
    • $19.20
    • $22.40
    • $25.60
    Replacement air filters delivered on your schedule.

    Learn More

  • Standard Size
  • Custom Size
  • Type
    • Basic Filters
    • Commercial Filters
    • Fiberglass Filters
    • Grille Filters
    • Pleated Filters
    • Residential Filters
    • Washable Filters
  • Brand
    • AAF Flanders
      • AlphaCel HEPA
      • MEGApleat Premium
      • PerfectPleat SC M8
      • PerfectPleat HC M8
      • PerfectPleat Ultra
      • PREPleat LPD SC M8
      • PREpleat LPD HC M8
      • PREpleat SC M11
      • PREPleat ES M13
      • VariCel II
    • EZ-Flow
    • Exact Filters®
    • Naturalaire
    • ALL BRANDS
  • Quantity
    • Single - 1 Filter
    • Year Supply - 4 Filters
    • Best Value - 12 Filters
  • Efficiency Rating
    • MERV 4
    • MERV 8
    • MERV 10
    • MERV 11
    • MERV 13
    • Learn about MERV
  • Contact

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All orders are shipped for free in the US. Excluding Alaska, Hawaii and Canada.

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Need to return your filters due to a measuring mishap? Our Filter Fit Guarantee™ has you covered.

What is MERV?

The filter industry standard system that rates the overall effectiveness of air filters. Learn about MERV

Phone Support

Need help? Please call customer support at: 1-866-469-8556

For over 17 years RTF has been a trusted retailer for leading brands in the indoor air filtration industry. We strive to provide the best service and air filtration products for our valued customers.

The filters we sell are tested at independent air filter testing facilities that are members of the National Air Filtration Association (NAFA). These test facilities utilize a true and proven scientific method for air filter testing created by the American Society of Heating, Refrigeration and Air Conditioniong Engineers, ASHRAE 52.2-2007.

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