Elvex Quattro Reusable Earplugs with Chain & Case, NRR 27, Corded, 50 Pairs/Box

Elvex quattro welep412 reusable earplugs w/chain & case, nrr 27, corded, 50 pairs/box the quattro ep-412 corded ear plug makes removing and refitting more convenient & reduces ear plug loss. made in the usa. features plastic carrying case & chain may be attached to belt loop, bag or other work tools nylon braided cord ultra-soft polymer is non-allergenic & non-irritating resists ear wax and body oils four-flange rounded design creates an effective seal sturdy stem is easy to grip for insertion & removal 25 nrr (noise reduction rating). 36 snr ce en-352-22002 tested to ansi s3.19-1974 nsf (nat'l stock no.) 6515 01 492 0461 color blue 1 box has 50 pairs.