... , high quality 3) Welcome your own OEM dustproof and waterproof nylon mesh for speaker 1) *Due to the electronic equipment are esposed ... , electric machineries, electric appliances ,VCD, DVD, TV, PDA, MP3, digital camera, cellphone, computer, air-condition, refrigerator, communication equipment and other acoustic ... to 500 mesh/inch.. 4) Details in picture dustproof and waterproof nylon mesh for speaker