PeltorŪ H7P3E Earmuffs
The domes can be turned for airing on the hard cap. Easy to mount and dismount. Suitable for mining, where low frequency noise with high noise level exists. Universal adapter fits slotted hard caps: AO Safety, Protector Safety, Bullard, Jackson, MSA, Eastern, North, Willson, Schubert, Erb and Apex.more
Weight: 8.3 oz. NRR 24dB. Tested to ANSI S3.19-1974.