Catalog number: PR-1989 Features: ● Equipped with evenly arranged filters (patented), conversations can be clearly heard. ● Shape memory foam fits snugly in the ears. ● All filters are acoustically inspected and can be used with confidence. ● Moisture inside is expelled through the filter, so you can wear them comfortably even for long periods of time. ● The cord has a cap, so you can adjust it according to the noise situation. ● The cord can be worn around the neck when not in use. Applications: ● In environments with noise levels up to 166 dB. ● Military-related. ● Aircraft-related. ● For forging work, when using power tools such as nail guns. Specifications: ● Cord: Yes (640 mm) ● Size: M ● Color: Black ● NRR value (dB): 20 (with cap closed) ● SNR value (dB): 28 (with cap closed) ● Case: No ● Equivalent to EN: 352-2: 2002, ANSI S3.19-1974
