Foldable Ear Muffs fold to a compact size for easy storage and transportation to the
job site. With an adjustable headband to accommodate a wide range of head sizes,
and a Noise Reduction Rating (NRR) of 26. Soft, comfortable ear seals make them
ideal for long-time wear. Noise Reduction Rating (NRR): 26 dB. Frequency: 125 Hz;
Over Head: Mean Attenuation: 22.7 dB; Standard Deviation: 3.7 dB; Frequency: 250
Hz.
 
Rating: NRR 26 dB
Function: Noise reduction
Standard: ANSI S3.19-1974