Metal body / Metal case / BC sintered / High noise reduction type
Series
Features
AN□00
・Metal body type
・Noise reduction: 30 dB (A)
25□□
・Metal case type
・Noise reduction: 19 dB (A)
AN
・BC sintered body
・Noise reduction: 13, 16, 18, 21 dB (A)
AN□02 AN□1
・High noise reduction type
・Noise reduction: 35, 38, 40 dB (A)