3m Speedglas Sound-Dampening Breathing Tube SG-50W

Material PVC Color Black Standards ANSI Z87.1-2010 Series Versaflo Size 33 in For use with 3M PAPR Systems, TR-300 SeriesYou may also like 3M 99059 Peltor RG-OTH-4 Sport RangeGuard Electronic Hearing Protector.