The X-Series earmuffs are 3M?s latest advancement in hearing conservation. New technologies in comfort, design and protection all come together in this groundbreaking earmuff line. The X3B features a newly designed spacer to help improve attenuation without the need for a much larger cup or double cup design. This lightweight earmuff is designed for protection against hig H-level industrial noise and other loud sounds.
– The wire headband offers consistent pressure over prolonged wearing periods?
– Earcup pivot points tilt for optimum comfort and efficiency?
– Replaceable ear cushions and foam liners (hygiene kit HYX3)?
– Noise Reduction Rating (NRR)b 28 dB. CSA Class AL

3M 22407, Roloc Disc 361F, 80 YF-weight, TR, 1-1/2 in, Die R150S, 7000045099
Dynabrade 13509 Dynastraight Finishing Tool, Rear Exhaust, 6,000 RPM, 5/8" (16 mm) or 1" (25 mm) Dia. Arbor
3M 19768, Utility Cloth Sheet 314D, 9 in x 11 in P180 J-weight, 7000000356
Standard Abrasives 840038, Quick Change Surface Conditioning GP Disc, A/O Medium, TSM, Maroon, 3/4 in, QS75KM, 7000121647, 50/case
3M™ 07010, Supplied Air Respirator Hose W-9435-25/07010(AAD), 25 ft, 3/8 in ID, Industrial Interchange Fittings, High Pressure, 7000005374, 1 EA/Case
3M™ 94275, Versaflo™ Gold Coated Tinted Over-Visor with UV/IR Protection M-967N, 70071696879, 1 EA/Case
Dynabrade 51708 .1 hp Straight-Line Pencil Grinder, 35,000 RPM, 3/32" Collet
3M 71361, 641WY 1/4" X 24", 1200 Mesh Diamond Cloth Belt, 7010534916
Dynabrade 53533 Cone or Plug Grinder (Triple Extension)
Dynabrade 40320 Dynafile II Abrasive Belt Tool
3M 71358, 641WY 1/4" X 24", 600 Mesh Diamond Cloth Belt, 7010534894
3M 29611, 641WY 1/4" X 24", 100 Mesh Diamond Cloth Belt, 7010534832
Dynabrade 82461 5" Dia. x 320 Grit A/O PSA Filmbac DynaCut Disc, 100/Box
Dynabrade 51862 .4 hp Trim Router (Complete), 30,000 RPM, 1/4 Collet
3M 36882, Self-Stick Liquid Protection Fabric, Blue, 56 in x 300 ft, 7100169350
ACS CX1250 Diamond Belt, 1/2" X 24" 9u 
