Brand: DELTA PLUS 103008 hanging earmuffs Sales Description: 2PCS earmuffs (no helmet) Please note: This earmuff must be used with helmets or other general safety helmets.
Delta 103008 ear-hook earmuffs features: Noise prevention 33db 1, F1 level noise-proof earmuffs, high toughness shell; 2, can be quickly adjusted in place when using, when not in use, the earmuffs can be turned up and buckled on the hat; 3, can be used with the Delta Hat.Can also be used with other brand helmets and matching screens. 4. Friendly reminder: This earmuff is only suitable for helmets. If it is not equipped with a helmet, it cannot be used alone.Please also purchase with caution. Executive Standard European Standard: EN397:1995/A1/2000 (-20°C/+50°C, 440VAC, LD, MM)
-Ear defenders for safety helmets. Adjustable in height. High flexibility ABS arms and cups. Cups padded withsynthetic foam.
-Cup & headband: ABS.
-Cushion: Foam & PVC.
Certifications and Standards
REGULATION (EU) 2016/425EN352-3:2002 Hearing protection : Ear-Muffs attached to an industrial safety helmetSNR 24 dB: Average noise attenuationH 27: High frequency attenuationM 21: Medium frequency attenuationL 14: Low frequency attenuationS/M/L: Sizes / DimensionsUSA STANDARDSANSI S3.19-1974 American National Standards InstituteNRR 21 dB: NRR – (Noise Reduction Rating - Noise Reduction Rating)