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America 250 Celebration

Universal filters

Round Air Filters

Discover our complete selection of round air filters designed for performance applications. Whether you need a round filter for your engine or an oval air filter variation, Green Filter has you covered. Browse our round air filter by size guide to find the perfect round engine air filter - all made in the USA with our lifetime warranty.
  • Round Air Filters
  • Round Filter Measurements

    Click here for a picture showing how round filters are measured.

Select a filter from the list below. The list can be sorted by clicking on a column heading. Clicking the heading again will sort it in the opposite direction. The table will scroll left and right for smaller screens.

36 filters · All measurements are in inches. Click a column heading to sort.

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#74132.00"1.06"1.06"—Green
#24335.20"4.00"1.86"RoundGreen
#71985.45"3.83"3.20"RoundGreen
#24406.33"4.96"2.48"RoundGreen
#24416.33"4.96"3.38"RoundGreen
#73346.90" x 4.40"5.90" x 3.40"3.10"OvalGreen
#20529.05"7.68"2.76"RoundGreen
#20489.65"8.27"2.76"RoundGreen
#207210.00"8.00"3.68"RoundGreen
#217710.00"8.66"2.28"RoundGreen
#211311.00"8.37"4.92"RoundGreen
#235011.00"9.25"6.00"RoundGreen
#719611.69" x 5.08"9.56" x 2.95"6.03"OvalGreen
#201112.00"9.84"3.43"RoundGreen
#207312.00"9.81"2.50"RoundGreen
#213112.00"9.81"5.50"RoundGreen
#294912.00"9.80"2.50"RoundGray
#746512.00" x 5.25"10.75" x 4.27"2.25"OvalGreen
#746612.00" x 5.25"10.75" x 4.27"3.25"OvalGreen
#511213.00"11.25"2.50"RoundBlue
#511313.00"11.25"3.00"RoundBlue
#512113.00"11.25"4.00"RoundBlue
#201214.00"12.00"3.00"RoundGreen
#203014.00"12.00"4.00"RoundGreen
#206414.00"12.00"2.31"RoundGreen
#207114.00"12.00"5.00"RoundGreen
#216014.00"12.00"6.00"RoundGreen
#235114.00"12.40"4.50"RoundGreen
#245314.00"12.38"2.00"RoundGreen
#287414.00"12.40"2.00"RoundGray
#287514.00"12.40"3.00"RoundGray
#287614.00"12.40"4.00"RoundGray
#704314.00"12.40"3.50"RoundGreen
#711316.25"14.50"7.00"RoundGreen
#403919.00" x 13.84"17.96" x 12.80"5.08"RectangularRed
#402720.72" x 9.59"18.32" x 7.19"2.00"OvalRed

  • #7413

    Outside Diameter (OD)OD
    2.00"
    Inside Diameter (ID)ID
    1.06"
    Height (H)H
    1.06"

    Green

  • #2433

    Outside Diameter (OD)OD
    5.20"
    Inside Diameter (ID)ID
    4.00"
    Height (H)H
    1.86"

    Round · Green

  • #7198

    Outside Diameter (OD)OD
    5.45"
    Inside Diameter (ID)ID
    3.83"
    Height (H)H
    3.20"

    Round · Green

  • #2440

    Outside Diameter (OD)OD
    6.33"
    Inside Diameter (ID)ID
    4.96"
    Height (H)H
    2.48"

    Round · Green

  • #2441

    Outside Diameter (OD)OD
    6.33"
    Inside Diameter (ID)ID
    4.96"
    Height (H)H
    3.38"

    Round · Green

  • #7334

    Outside Diameter (OD)OD
    6.90" x 4.40"
    Inside Diameter (ID)ID
    5.90" x 3.40"
    Height (H)H
    3.10"

    Oval · Green

  • #2052

    Outside Diameter (OD)OD
    9.05"
    Inside Diameter (ID)ID
    7.68"
    Height (H)H
    2.76"

    Round · Green

  • #2048

    Outside Diameter (OD)OD
    9.65"
    Inside Diameter (ID)ID
    8.27"
    Height (H)H
    2.76"

    Round · Green

  • #2072

    Outside Diameter (OD)OD
    10.00"
    Inside Diameter (ID)ID
    8.00"
    Height (H)H
    3.68"

    Round · Green

  • #2177

    Outside Diameter (OD)OD
    10.00"
    Inside Diameter (ID)ID
    8.66"
    Height (H)H
    2.28"

    Round · Green

  • #2113

    Outside Diameter (OD)OD
    11.00"
    Inside Diameter (ID)ID
    8.37"
    Height (H)H
    4.92"

    Round · Green

  • #2350

    Outside Diameter (OD)OD
    11.00"
    Inside Diameter (ID)ID
    9.25"
    Height (H)H
    6.00"

    Round · Green

  • #7196

    Outside Diameter (OD)OD
    11.69" x 5.08"
    Inside Diameter (ID)ID
    9.56" x 2.95"
    Height (H)H
    6.03"

    Oval · Green

  • #2011

    Outside Diameter (OD)OD
    12.00"
    Inside Diameter (ID)ID
    9.84"
    Height (H)H
    3.43"

    Round · Green

  • #2073

    Outside Diameter (OD)OD
    12.00"
    Inside Diameter (ID)ID
    9.81"
    Height (H)H
    2.50"

    Round · Green

  • #2131

    Outside Diameter (OD)OD
    12.00"
    Inside Diameter (ID)ID
    9.81"
    Height (H)H
    5.50"

    Round · Green

  • #2949

    #2949

    Outside Diameter (OD)OD
    12.00"
    Inside Diameter (ID)ID
    9.80"
    Height (H)H
    2.50"

    Round · Gray

  • #7465

    Outside Diameter (OD)OD
    12.00" x 5.25"
    Inside Diameter (ID)ID
    10.75" x 4.27"
    Height (H)H
    2.25"

    Oval · Green

  • #7466

    Outside Diameter (OD)OD
    12.00" x 5.25"
    Inside Diameter (ID)ID
    10.75" x 4.27"
    Height (H)H
    3.25"

    Oval · Green

  • #5112

    Outside Diameter (OD)OD
    13.00"
    Inside Diameter (ID)ID
    11.25"
    Height (H)H
    2.50"

    Round · Blue

  • #5113

    Outside Diameter (OD)OD
    13.00"
    Inside Diameter (ID)ID
    11.25"
    Height (H)H
    3.00"

    Round · Blue

  • #5121

    Outside Diameter (OD)OD
    13.00"
    Inside Diameter (ID)ID
    11.25"
    Height (H)H
    4.00"

    Round · Blue

  • #2012

    Outside Diameter (OD)OD
    14.00"
    Inside Diameter (ID)ID
    12.00"
    Height (H)H
    3.00"

    Round · Green

  • #2030

    Outside Diameter (OD)OD
    14.00"
    Inside Diameter (ID)ID
    12.00"
    Height (H)H
    4.00"

    Round · Green

  • #2064

    Outside Diameter (OD)OD
    14.00"
    Inside Diameter (ID)ID
    12.00"
    Height (H)H
    2.31"

    Round · Green

  • #2071

    Outside Diameter (OD)OD
    14.00"
    Inside Diameter (ID)ID
    12.00"
    Height (H)H
    5.00"

    Round · Green

  • #2160

    Outside Diameter (OD)OD
    14.00"
    Inside Diameter (ID)ID
    12.00"
    Height (H)H
    6.00"

    Round · Green

  • #2351

    Outside Diameter (OD)OD
    14.00"
    Inside Diameter (ID)ID
    12.40"
    Height (H)H
    4.50"

    Round · Green

  • #2453

    Outside Diameter (OD)OD
    14.00"
    Inside Diameter (ID)ID
    12.38"
    Height (H)H
    2.00"

    Round · Green

  • #2874

    Outside Diameter (OD)OD
    14.00"
    Inside Diameter (ID)ID
    12.40"
    Height (H)H
    2.00"

    Round · Gray

  • #2875

    Outside Diameter (OD)OD
    14.00"
    Inside Diameter (ID)ID
    12.40"
    Height (H)H
    3.00"

    Round · Gray

  • #2876

    Outside Diameter (OD)OD
    14.00"
    Inside Diameter (ID)ID
    12.40"
    Height (H)H
    4.00"

    Round · Gray

  • #7043

    Outside Diameter (OD)OD
    14.00"
    Inside Diameter (ID)ID
    12.40"
    Height (H)H
    3.50"

    Round · Green

  • #7113

    Outside Diameter (OD)OD
    16.25"
    Inside Diameter (ID)ID
    14.50"
    Height (H)H
    7.00"

    Round · Green

  • #4039

    Outside Diameter (OD)OD
    19.00" x 13.84"
    Inside Diameter (ID)ID
    17.96" x 12.80"
    Height (H)H
    5.08"

    Rectangular · Red

  • #4027

    Outside Diameter (OD)OD
    20.72" x 9.59"
    Inside Diameter (ID)ID
    18.32" x 7.19"
    Height (H)H
    2.00"

    Oval · Red

Need help finding the right round filter? Use our vehicle selector or contact us for expert guidance on round air filters.

FAQs About Round Air Filters

How do I choose the right round air filter size?

Measure your current filter's outside diameter, inside diameter, and height. Then compare those measurements with the round air filter size chart to find the closest matching Green Filter.

What measurements do I need for a round air filter?

The main measurements are outside diameter, inside diameter, and height. These dimensions help confirm the correct fit for your engine, air cleaner assembly, or custom intake setup.

Can I find a round air filter by size?

Yes. Use the size chart to compare filter number, outside diameter, inside diameter, height, shape, and color. This helps you find a round air filter by size without guessing.

What is the difference between a round, oval, and rectangular air filter?

A round air filter has a circular shape, while oval and rectangular air filters are designed for different air cleaner housings or custom fitment needs. Always match the shape and dimensions to your setup.

Are Green Filter round air filters washable and reusable?

Yes. Green Filter round air filters are washable and reusable. They can be cleaned, re-oiled, and reinstalled for long-term performance and reduced replacement waste.