2310series " width: 138mm, neck: 89mm, height: 87mm" Washable Filter Cloth, Super Power Flow Is A High Effiency Air Cleaner System Developed For High Performance Vehicles. Cover treament: Carbon/ Chromed/ Spray-painted With Different Colors , bullet shape 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 ;