MSA 10022021 Sound Blocker 26 Cap Mounted Earmuff - Each

The MSA classic hearing protection line offers five helmet mounted options for slotted and non-slotted MSA caps. The classic line offers lightweight, low profile cups with various protection levels for low to loud noise worksites.

• For use with MSA non-slotted cap-style hard hats
• Requires drilling into the helmet to mount the muffs
• The ANSI/ISEA Z89.1 class rating of a drilled helmet is Class C
• Easy to remove ear cushions for quick replacement
• Provide excellent attenuation and maximum ear space
• Three distinct wearing positions