Pro'skit MS-153C PVC Dust Blowing Ball Air Blower Blowing Ball Pump For Camera Lens Filter EMOS Computer CCD LCD Screen The mouthpiece is made of copper chrome and has a strong mouth The ball is made of PVC, soft, durable, easy to operate. With a strong ability to blow dust, with long mouthpiece and brush to meet the application needs Especially for professional camera lens, mobile phone, CCD sensor, notebook computer, desktop computer, video game, communication equipment, traditional instruments, electronic instruments, precision equipment, chassis power, CPU fan, lens and other large Medium 3C products are clean dust