2302series width: 130mm, neck: 60mm/ 63mm/ 70mm/ 76mmheight: 175mm " material: rubber neck , Real Carbon Air Box for High Performance Vehicles , cover treaments: Carbon/ Black Carbon/ Silver " air filter for various auto , extra 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 ;