Crescendo Earplugs Noise Absorption Filter Sleep NRR16dB PR-1586 1 S

Catalog number: PR-1586 Features: ● Equipped with a patented special filter that absorbs noise at both high and low frequencies. ● You can hear conversations clearly. ● Moisture inside is discharged through the filter, so you can wear it comfortably even for long periods of time. ● Comes with a metal case with a key ring for easy carrying. ● Set of two pairs of M and L sizes (only one pair of filters included). ● Can be washed and used repeatedly. ● Not only reduces surrounding noise, but also reduces the sound of your own heartbeat. ● You can hear the alarm sound. Uses: ● In environments with noise levels up to 110 dB. ● To reduce surrounding noise while sleeping. Specifications: ●Type: For sleep ●Cord: None ●Size: M + L ●Color: Transparent ●NRR value (dB): 16 ●SNR value (dB): 24 ●Case: Yes ●Noise environment: Up to 110dB ●Equivalent to EN: 352-2: 2002, ANSI S3.19-1974 Material/Finish: ●Thermoplastic elastomer resin (TPE) Set contents/Accessories: ●Metal case for storage Note: ●Only one set of filters is included with the L size.