K&N Filter Universal Rubber Filter 2 1/4 inch Flange 3 1/2 inch OD 6 inch Height

K&N Filter Universal Rubber Filter 2.25 inch Flange 3.5 inch OD 5 inch Height

K&N Filter Universal Rubber Filter 2 1/4 inch Flange 3 1/2 inch OD 4 inch Height

K&N Filter Universal Rubber Filter - Round Straight 3.5in Base OD x 3.5in Top OD x 5in H

K&N Filter Universal Rubber Filter - Round Straight 1.688in Flange ID x 3in OD x 4in Height

K&N Universal Filter 3 inch Flange 6 inch Base 5 1/4 inch Top 5 inch Height w/ Polished Top

K&N Replacement Air Filter - Round 3.969in ID x 5.25in OD x 3.125in H for 09-11 Royal Enfield Bullet

K&N 18-20 Royal Enfield Himalayan 411 Air Filter

K&N 4in ID / 5.25in OD / 2in H Custom Assembly Filter designed to fit Harley-Davidson Motorcycles

K&N Universal Chrome Filter 2 3/4in FLG / 4 1/2in Bottom / 4 1/2in Height

K&N Universal Filter Chrome Round Tapered White - 4in Flange ID x 1.125in Flange Length x 5.5in H

K&N Universal Air Filter Chrome Round Tapered Red - 4in ID x 1.125in L x 5.5in H (Multi Lingual)

K&N Universal Air Filter Chrome Round Tapered Red - 4in Flange ID x 1.125in Flange Length x 5.5in H

K&N Universal Air Filter Chrome Round Tapered Blue - 4in Flange ID x 1.125in Flange Length x 5.5in H

K&N Round Tapered Drycharger Air Filter Wrap Red 7.5in Base ID / 4.5in Top ID / 6in Height

K&N Round Tapered Air Filter Wrap Black 7.5in Base ID / 4.5in Top ID / 6in Height

K&N Drycharger Round Tapered Black Filter Wrap (Custom)

K&N Drycharger Air Filter Wrap Black Custom

K&N Round Tapered Drycharger Air Filter Wrap Red 7.5in Base ID x 5in Top ID x 7.5in H

K&N Black Drycharger Round Tapered Custom Air Filter Wrap

K&N Drycharger Round Tapered Air Filter Wrap 6.5in Base ID/4.5in Top ID/7in H - Black

K&N Round Tapered Universal Air Filter 3.5in Flange ID / 5.75in Base OD / 3.75in Top OD / 6in H

K&N Universal Drycharger Air Filter Wrap - Black