27NRR Blackhawk Over-the-Head Earmuffs 5" Safety Rectangular and delta style corner

Rectangular and delta style corner pockets are made of polycarbonate plastic for durability

and heat resistance

Active ingredient: Calcium Carbonate 420 mg chewable tablets

Relief Against Organic Vapors & Ozone Protection up to 10 times OSHA PEL

resealable bags

27NRR Blackhawk Over-the-Head Earmuffs 5" Safety Rectangular and delta style cornerHigh performing, dielectric earmuff. Three position model allows for user adjustment. Specialized, high density foam head pad and Soft Seal ear cushions. Independently tested to a 27 NRR (over the head). Product Overview Blackhawk 27NRR Over the Head Earmuffs High performing, dielectric earmuff Three position model allows for user adjustment Specialized, high density foam head pad and Soft Seal ear cushions Independently tested to a 27 NRR (over the