Maybe one of these similar products would be of interest:-

Motorcycle Air Filter, Air Intake Filter, air filter breather filter Universal Motorcycle Intake Air Filter Cleaner Round Tapered for Crankcase Scooter Atv Dirt Pit Bike Motorcycle (48MM)

Motorcycle Air Filter, Air Intake Filter, Universal Motorcycle Intake Air Filter Cleaner Round Tapered for Crankcase Scooter Atv Dirt Pit Bike Motorcycle (50MM)

Motorcycle Air Filter, Air Intake Filter, Universal Motorcycle Intake Air Filter Cleaner Round Tapered for Crankcase Scooter Atv Dirt Pit Bike Motorcycle (42MM) air filter breather filter clamp

Motorcycle Air Filter, Air Intake Filter, Universal Motorcycle Intake Air Filter Cleaner Round Tapered for Crankcase Scooter Atv Dirt Pit Bike Motorcycle (60MM)

Motorcycle Air Filter, Air Intake Filter, Universal Motorcycle Intake Air Filter Cleaner Mushroom Head Engine Air Cleaner Filter Accessory Replacement for Crankcase Scooter ATV Bike Motorcycle (51MM)