The double-shell technology incorporated in 3M PELTOR Optime 105 Earmuffs are designed to boost its noise blocking ability. Thanks to this feature, these earmuffs have a Noise Reduction Rating (NRR) between 27?30 dB* (depending on the attachment type), making them an ideal choice for use in airports; construction; manufacturing; food, beverage, & agriculture; oil & gas; heavy manufacturing; pharmaceutical; and transportation.
3M 08102, PELTOR Optime 105 Earmuffs H10B, Behind-the-Head, 10 EA/Case, 7000009664
$322.60
Factory Stock, 7-10 Day Leadtime
3M PELTOR Optime 105 Earmuffs are a high performance hearing protector. Featuring a proprietary dual-cup design and soft, foam-filled cushions, these earmuffs provide high attenuation and outstanding comfort. Additionally, these earmuffs are available in a variety of attachment types, including over-the-head, hard hat, and behind the head.

Standard Abrasives 32953, PSA A/O Disc, 711880, 2 in x NH, 60, 7010310798
3M 87449 Silver Depressed Center Grinding Wheel, T27 Quick Change, 9 in x 1/4 in x 5/8-11 Center Hub Thread, 7010409732, 20 per case
3M 08025, Adhesive Sealant 740 UV, Black, 600 mL Sausage Pack, 7100057385, 12/Case
Dynabrade 40610 Electric Dynafile II Abrasive Belt Tool
3M 95307, Lead Foil Tape 421, Dark Silver, 3/4 in x 36 yd, 6.3 mil, 7000049079
Dynabrade 51708 .1 hp Straight-Line Pencil Grinder, 35,000 RPM, 3/32" Collet
3M™ 17323, Versaflo™ Respiratory Helmet Assembly M-407, with Premium Visor and Flame Resistant Shroud, 7000002395, 1 EA/Case 
