Howard Leight Max Foam Earplug Guard Rails the 45" and the 57"

the 45" and the 57" lower mast can't be used together

The reason is its durability and versatility

so like the Quattro and the Microclip XL

The lens coating also cuts down on glare

High Sorbency Keeps Mat on the Job Longer:

Howard Leight Max Foam Earplug Guard Rails the 45" and the 57"This really is one of the more comfortable foam earplugs available. The Max foam earplugs are made of soft polyurethane which are easy to wear over long periods of time. Their contoured shape allows for a quick custom fit. And they offer fantastic noise blocking performance. Plus, they won't back out of your ear. NRR Rating 30 Max 1 Uncorded 200 pr bx Max 30 Corded 100 pr bx The world's most used polyurethane foam earplug Bell shape delivers maximum