- Low-frequency noise; the best choice when nothing else will do. 140-150 dB levels.
- Using passive noise-blocking muffs attenuate based on the highest quality of insulating and dampening materials.
- For use in conjunction with bump caps, hard hats without universal slots or head-mounted face protection.
- Adjustable head support strap ensures that muffs stay in position at all times.
- Are dielectric, non-conductive.
- Wide and soft ear cushions with snap-in system for quick, easy replacement.