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Item number Measure noise reduction (db) at 6 bar
32A467M5 M5 27
32A4671/8 1/8 32.6
32A4671/4 1/4 31
32A4673/8 3/8 24
32A4671/2 1/2 29
32A4673/4 3/4 11
32A467-1 1" 25