3M H9A Peltor Optime 98 Yellow ABS Over-The-Head Hearing Conservation Earmuffs (1/EA) Coasters And Placemats O-Ring Inner Diameter: 2

O-Ring Inner Diameter: 2

Based on the industry-standard ALTAIR Single-Gas Detector—but with added features and functionality—ALTAIR Pro toxic gas and oxygen detectors combine reliable detection and LED/audible/flashing/vibrating alarms with clear

The PremAire Cadet Supplied-Air Respirator is a pressure demand

Ultra-Lok SRL’s have an antiratcheting twin disc brake system with an audio indicator to let you know it is functioning properly

3M H9A Peltor Optime 98 Yellow ABS Over-The-Head Hearing Conservation Earmuffs (1/EA) Coasters And Placemats O-Ring Inner Diameter: 2The 3M Optime 98 is one of the most versatile earmuffs in industry today as it delivers the proper protection needed for a broad range of work areas with increased noise levels. When assessed noise levels reach up to 98 dBA, there is no better choice earmuff than the 3M Optime 98.