Model 3000 Earmuff Durable, lightweight, non-conductive dielectric plasticPivoting earcup connection maintains seal and alignmentReplaceable cup linersSoft, foam-filled cushions and large earcup openings provide greater protection and comfortTake-apart assembly for easy cleaningUniversal fit headbandModel 3000 Three position muff can be worn over-the-head, under-the-chin, or behind-the-head*The NRR may overestimate the hearing protection provided during typical use3M is Leading the Advancement of Hearing Conservation?3M recommends reducing the NRR by 50% for estimating the amount of noise reduction providedDurable, lightweight construction of non-conductive, dielectric plasticLarge earcup openings and soft, foam-filled cushions offer a snug, comfortable fitNoise Reduction Rating* NRR 25 dB CSA class A when the band is worn over-the-head. NRR 26 dB CSA Class AL when the band is worn under-the-chinNRR 26 dB CSA Class AL when band is worn behind-the-headProvides a protective seal without excess pressure while the pivoting earcup connections help maintain the seal and proper alignmentThese lightweight earmuffs may be worn over-the-head, behind-the-head, or under-the-chinThis earmuff combines excellent attenuation with comfortable durability Noise Reduction Rate NRR 25 dBColor MaroonQuantity 24 per caseWt. 0.70 lb