Description
Decibullz DIY Custom Molded Earplugs Work 9 gold dB 18 9 gold dB 18 Noise level Maximum exposure without hearing protection 86 dB 2 hours 89 dB 1 hour 92 dB 30 minutes 94 dB 15 minutes 98 dB 7 minutes 102 dB 3 minutes 106 dB 90 seconds What filter is suitable for me