K&N Filter 1in Vent 3in Diameter 2in Height

K&N Filter 3/4in Vent 3in Diameter 2in Height

K&N Steel Base Crankcase Vent Filter .75in Vent OD x 2in OD x 1.5in Height

K&N Steel Base Crankcase Vent Filter .625in Vent OD x 2in OD x 1.5in Height

K&N Steel Base Chrome Top Crankcase Vent Filter 1/2in. Vent / 2in. OD / 1-1/2in. Height

K&N Steel Base Crankcase Vent Filter .5in Vent OD x 2in OD x 1.5in Height

K&N Steel Base Crankcase Vent Filter 0.375in Vent OD x 2in OD x 1.5in Height

K&N Round Air Filter Assembly 5.25in ID / 5in Height / 5.125in Neck Flange / 1 1/4in Drop Base

Airaid Universal Air Filter - Cone 4-1/2in FLG x 11-1/2x7in B x 9x4-1/2inTx 7-1/4in H - Synthaflow

Airaid Kit Filter

Vibrant Crankcase Breather Filter w/ Chrome Cap 1.5in 38mm Inlet ID

Vibrant Crankcase Breather Filter w/ Chrome Cap 1.25in 32mm Inlet ID

Vibrant Crankcase Breath Filter w/ Chrome Cap 2 1/8in 55mm Cone ODx2 5/8in 68mm Tallx1in 25mm in ID

Vibrant Crankcase Breather Filter w/Chrome Cap 2 1/8in 55mm Cone ODx2 5/8in 68mm Tallx1/2in 12mm ID

Vibrant Crankcase Breather Filter w/Chrome Cap 2 1/8in 55mm Cone ODx2 5/8in 68mm Tallx5/8in 15mm ID

Vibrant Crankcase Breather Filter w/ Chrome Cap 2 1/8in 55mm Cone ODx2 5/8in 68mm Tallx3/8in 9mm ID

Vibrant Crankcase Breather Filter w/Chrome Cap 2 1/8in 55mm Cone ODx2 5/8in 68mm Tallx3/4in 19mm ID

Vibrant Open Funnel Perf Air Filter (5in Cone O.D. x 5in Tall x 4.5in inlet I.D.) Chrome Filter Cap

Vibrant Open Funnel Perf Air Filter (5in Cone O.D. x 5in Tall x 3in inlet I.D.) - Chrome Filter Cap

Vibrant Crankcase Breather Filter 35mm OD / 5/8in. (15mm) Inlet ID / 1.5in. Tall

Vibrant Open Funnel Perf Air Filter (5in Cone O.D. x 5in Tall x 2.75in inlet I.D.) Chrome Filter Cap

Vibrant Open Funnel Perf Air Filter (5in Cone O.D. x 5in Tall x 2.5in inlet I.D.) Chrome Filter Cap

Vibrant 8.75in Inlet I.D. x 8.50in Height Bellmouth Velocity Stack Classic Performance Air Filter