3M H9A Peltor Optime 98 Yellow ABS Over-The-Head Hearing Conservation Earmuffs (1/EA) Coasters And Placemats Based on the industry-standard ALTAIR

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

Inside pocket is 6"x 6"

Foamed PVC provides a soft and flexible coating that is also highly comfortable

The Speedglas 9100 scratch resistant outside protection plate is hardcoated and available for use in demanding environments to help resist scratching

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 Based on the industry-standard ALTAIRThe 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.