Napier Pro 9 Hearing Protection Spare Spools Suction mounts can adhere to

Suction mounts can adhere to slightly curved surfaces found on most cars

They’re built Smith Creek-tough from anodized marine grade aluminum and the custom made zingers have been tested to over 50

abrasion-resistant

Durable paracord construction

Napier Pro 9 Hearing Protection Spare Spools Suction mounts can adhere toPro 9 Noise Cancelling Hearing Protection Exclusive, Patented Breakthrough Effective Noise Cancelling technology without Batteries, Electronics, valves, or any moving parts! Unique patented sound chamber technology, directs damaging sounds away from the ear canal, where they are dampened, refracted and cancelled. The effect is amazingly clear low level sounds such as speech, but with highly efficient protection from damaging noise levels such as