2403series " air breather, the top diameter: 35mm width: 51/ 60mmmm, neck: 9mm/ 12mm/ 15mm, height: 38mm " " material: iron wire mesh, washable filter cloth; rubber neck ; color available : grey/ blue/ red/ green/ yellow/ purple; features: tapered, chromed cover on the top and bottom , other treament available : carbon/ anodized/ spray-painted" air filter for various motorcycles , lightweight and durablity; high effciencies; high dust holding capacity ; low pressure drop; cleanable and reusable, temperature range from -30 to 150; customized products are also avaliable on request ;