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HEARING PROTECTOR; TYPE: DISPOSABLE; DISPOSABLE, SELF-EXPANDING EARPLUG MADE OF PREFORMED POLYURETHANE FOAM, SELF-ADJUSTABLE, ANATOMIC, ADAPTS TO THE USER'S EAR CANAL. WITH SOFT LEATHER SURFACE FOR MAXIMUM COMFORT, NON-ALLERGENIC, NON-IRRITATABLE. ATTENUATION CLASSIFICATION NRR 33, ACCORDING TO ANSI S3.19-1974, NRR33 DB, SNR34 DB. SUPPLIED IN BAGS OF 200 PAIRS