David Clark, Model 310 Hearing Protector, p/n 12489G-01

The David Clark Model 310 Hearing Protector offers superior noise reduction, comfort and durability for any high-noise environment. The deeper dome design provides greater noise-attenuation in lower frequencies.  With the following features. Adjustable headset and stirrup assembly assures uniform headband pressure for a more comfortable, personalized fit Weather-resistant, soft foam head pad with breathable, ribbed design eliminates 'hot spots' and provides added comfort Soft, foam-filled ear seals are easily replaceable Work-ready, rugged design stands up to the most demanding work environments Certified Noise Reduction Rating (NRR): 24 dB This item qualifies for FREE DOMESTIC SHIPPING with tracking number