K&N Universal Rubber Filter 2.5 inch 5 Degree FLG 3.5 inch OD 4 inch Height

K&N Filter Universal Rubber Filter 2-9/16in Flange, 4-1/2in OD-B, 4-5/16in OD-T, 5 inch Height

K&N Universal Rubber Filter 2.063 inch FLG 3.5 inch OD 5 inch Height

K&N Universal Clamp-On Air Filter 2-1/16in FLG / 3-1/2 OD / 4in H

K&N Universal Rubber Filter 2 inch Top OD / 3.5 inch Base OD / 2.25 inch Flange ID / 4 inch Height

K&N Universal Rubber Filter Round Tapered 1-11/16 Flange 3.5in Base OD x 2in Top OD x 4in H

K&N Universal Rubber Filter Round Tapered 3in Base OD x 2in Top OD x 3in H

K&N Universal Rubber Filter

K&N 17in OD / 14-1/2in ID / 6in Height Round Air Filter

K&N 16-1/4in OD / 14-1/2in ID / 3-1/2in Height Round Air Filter

K&N X-Stream Top Filter X-Stream 14 inch OD Black

K&N Marine Engine Flame Arrestor 5-1/8in Flange / 8in ID x 9in OD / 2.75in Height

BD Diesel CCV Replacement Filter Element

BD Diesel Crank Case Vent Filter Kit - 1999-2003 Ford 7.3L

K&N Universal Clamp-On Air Filter 6in FLG / 7-1/2in B / 4-1/2in T / 5in H

K&N Universal Clamp-On Air Filter 6in FLG / 7-1/2in B / 4-1/2in T / 9in H

K&N Universal Air Filter 3 11/16in Flange x 8 3/4 x 5 1/2in Base x 6 3/8 x 3 3/16in Top x 7in Height

K&N Filter Universal Air Filter Carbon Fiber Top With 6in Flange x 7.5in Base x 6in H

K&N Air Filter with Carbon Fiber Top and Base

K&N Universal Air Filter with Carbon Fiber Top & Base-6in Base O/S W x 3.938in Top O/S W x 6in H

K&N Round Air Filter Assembly 5.125 in FLG / 9in OD / 6.375 in H w/ Vent

BMC Single Air Universal Conical Filter - 75mm Inlet / 165mm Filter Length

BMC Single Air Universal Conical Filter - 56mm Inlet / 102mm Filter Length