MUYI 4 Pcs 50mm/1.97in Motorcycle Air Filters Round Tapered Clamp-on Pod Intake Filter Cleaner for Yamaha Honda Suzuki Kawasaki Dirt Bike ATV Moped Pit Bike Scooter Vintage Package include - 4 pcs 50mm air filters (1.97 inches) Size - Inlet Diameter: 1.97 inches; Overall Height: approx. 3.5 inches; Outside Diameter At Top: approx. 2 inches; Outside Diameter At Base: approx. 3 inches Material - Double-layer steel mesh filter mushroom head Specification - The filters are constructed with ultra-strong molded pliable rubber flanges which absorb vibration and allow for secure attachment Compatibility - 50mm universal air filters are designed and manufactured for a wide variety of applications. Please ensure that it will suitable for your motorcycles and you can install it properbly. Thank you!!