These 3M H7A-PTL Peltor PTL Push-To-Listen NRR 26 Earmuffs provide wearers excellent noise protection plus the ability to hear speech, audible safety signals and warnings amplified up to 87 dB with the touch of a button. The padded extra-wide headband includes a durable 4-point steel suspension and patented liquid and foam filled ear cushions that offer extra-comfort for extended wear. Tested to ANSI S3.19-1974. Sold individually.
Features:
See TnA Safety, Webster, NY on MacRae's Blue Book