3M™ E-A-R Peltor OPTIME 105 Behind-The-Head Earmuffs, 29 dB NRR, Red/Black (MMMH10B) Each 433carrier4 Recommended dilution: preset (1:256)

Recommended dilution: preset (1:256)

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Base Diameter: 20"

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Paper wrapped--just pull string and peel down strip to refresh tip

3M™ E-A-R Peltor OPTIME 105 Behind-The-Head Earmuffs, 29 dB NRR, Red/Black (MMMH10B) Each 433carrier4 Recommended dilution: preset (1:256)3M EAR Peltor OPTIME 105 Behind The Head Earmuffs With a 105 dBA noise level rating, these muffs provide the protection you need for most construction and manufacturing environments. Double shell Twin Cup technology ensures ultra effective broad frequency attenuation. Low profile, behind the head design enables use with most protective eyewear and nearly any helmet or hardhat. Liquid filled foam ear cushions more easily conform to the contour of your