Sonic Defenders Plus EP4 Small
Developed and made by Surefire the patented “Earlock" retention comfortably locks earplugs into place.
Giving a noise reduction rating of 12 decibels with filter caps out and 24 decibels with filter caps in.
Plugs filter out dangerously loud noises while allowing conversations to be heard. For use by military, law enforcement, hunters, and shooting enthusiasts. Also useful at concerts, gun ranges, on airplanes and while swimming.
Size is based in dimensions of concha bowl, Mediums fit most people.
Small < 2.5cm
Medium = 2.5cm
Large > 2.5cm