The Safariland Impulse Hearing Protection offers superior noise-blocking (NRR of 33dB) performance in a reusable, high-end earplug. Its enhanced contoured shape provides superior long-wearing comfort, delivering solid performance that you can depend on. The patented Impulse Filter Technology automatically engages to protect hearing but allows normal ambient audio to pass through. 

Features

• Automatically engages to protect hearing
• Still allows for ambient audio
• Proprietary material for long-wear comfort
• Includes key chain aluminum transport/storage case
• No batteries required
• Two sizes of ear inserts included (one pair of filters)