Catalog number: EP4-BK-MPR Features: ● Ergonomic design and multi-flange stem conform to the shape of your ear. ● These earplugs are officially adopted by the US military as well as military and police forces around the world. ● They block out only harmful noise and do not interfere with normal conversation. ● Made from medical grade polymer resin. ● You can talk on the phone while wearing the earplugs. Specifications: ● Cord: Yes (670mm) ● Size: M ● NRR value (dB): 24 (with cap on) ● SNR value (dB): 27 Material/Finish: ● Earplug body: Medical grade polymer resin
