Classic

Molded foam earplugs carry up to 33dB NRR-the highest rating available as tested in a NVLAP accredited lab. One-touch dispensing-quick, convenient, reliable. "No-waste funnel" system lets user reuse both the base and dispensing unit NRR 29dB.". No-waste funnel" system lets user reuse both the base and dispensing unit (CBT3911000), sold separately.