K&N Universal 4 Inch Filter

K&N for Universal 4 Inch Filter RU-2510

K&N for Filter Universal Rubber Filter 4 inch Flange 5 3/8 inch Base 4 3/8 inch

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

K&N Filter Universal Rubber Filter 3 Inch Flange 6 inch Base 4 inch Top 5 inch H

K&N for Round Tapered Universal Air Filter 6 inch Flange 7 1/2 inch Base 5 inch

K&N for Filter Universal Rubber Filter 3 1/2 inch 10 Degree Flange 5 3/4 inch OD

K&N for Filter Universal Rubber Filter 3 1/2 inch Flange 4 5/8 inch Base 3 1/2