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 MansMade 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