3M Earplug Carrying Case 390-9003, with Chain, 200 Pair/Case peltor ear gels Audio speakers are optimized for

Audio speakers are optimized for speech frequencies and meet the efficiency demands of many of today's digital devices

Liquid/foam filled earmuff cushions

800-865MHZ

The orange fitting ring isn't just for show - it's a visual guide that helps workers achieve proper insertion every time

this product has been discontinued by the manufacturer 3M corporation and has been replaced by the Peltor WS Alert XP

3M Earplug Carrying Case 390-9003, with Chain, 200 Pair/Case peltor ear gels Audio speakers are optimized forDISCONTINUED Earplug carrying case with chain The carrying case holds one pair of earplugs 3M PSD products are for occupational use only. Earplug Carrying Case with Chain 390 9003