This High Performance air filter is made from premium material that allow increased air flow and filtration efficiency, blocking containment as small as 7 microns (compared with 10 microns in most other filters). BMC air filters are produced using a "Full Moulding" system. This prolongs the life and durability of the filter. The rubber used in BMC air filtering systems has a long life with optimum adhesion characteristics to all shapes of airboxes. BMC filters are made of multi-layered cotton gauze soaked with low viscosity oil covered enclosed in an epoxy coated alloy mesh to ensure protection from petrol fumes and oxidization due. All BMC air filters are pre-oiled, and they can be washed and regenerated by using the appropriate BMC regeneration kits. BMC equips teams in Formula 1, MotoGP, WorldSBK, 24H of Le Mans Made in Italy.Specifications:Shape: UniqueOutside width: 97mm Outside height: 128mm Height: 89mm Package Quantity: 1Package Contents: 1 Air FilterFilter Material: Oiled Cotton GauzeWashable?: YesWarranty: 2 Year LimitedWeight: 0.31KG EAN: 8032872866677 Type: UniqueOEM Part #: BUELL 2923996Y; P02139K&N Part #: BU-1297 Fitment Make Model Year BUELL M2 CYCLONE 1200 97>00 BUELL S1 LIGHTNING 1200 96>98 BUELL S1 WHITE LIGHTNING 1200 1998 BUELL S3 THUNDERBOLT 1200 97>99 BUELL X1 LIGHTNING 1200 99>02