28mm 32mm 35mm 38mm High Performance Racer Air Filter for Scooter Motorcycle Scooter Kart ATV red|air filter for scooter|for scooter38mm air filter - AliExpress
1000 ANGLE AIR FILTER 28MM TO 38MM CARB OPENINGS 7/21T (S1173)
28mm Mikuni Air Filter Adapter - JR Race Car
POWER ADVANCE" Universal air filter 28mm round / straight type - Daytona Europe
Air Filter - Pod - K&N Type - 28mm | Vintage DIY Motorcycle Parts | Dime City Cycles
RDR-ANGLED FILTER FOR 28MM & 30MM CARB - The Ruck Shop
Air Filter - Pod - K&N Type - 28mm | Kawasaki and Suzuki Motorcycle Parts | Z1 Enterprises