3M™ E-A-R™ Earmuffs, Model 1000 330-3001 1 PR NEW

Description

Order ships next business day via USPS First Class Mail.  Buy 2 or more and get upgrade to USPS Priority.  No returns or refunds unless lost or damaged in transit.
3M™ earmuffs feature durable, lightweight construction of non-conductive, dielectric plastic that can be worn over-the-head, behind-the-neck or under-the-chin.
Large earcup openings and soft, foam-filled cushions offer a snug, comfortable fit.
Durable, lightweight construction of non-conductive, dielectric plastic.
Noise Reduction Rating* NRR 20 dB (CSA class B) when the band is worn over-the-head. NRR 22 dB (CSA Class A) when the band is worn under-the-chin. NRR 22 dB (CSA Class B) when band is worn behind-the-head.