3M H7P3E Earmuffs Optime Earmuffs Hearing Conservation Anti-noise Hearing Protector for Drivers/Workers KU012

Model Number: : H7P3E
Brand Name: : 3M
Color: : Black
Material: : Sound-absorbing cotton
Function: : Anti noise
Application: : Noise environment
Cross weight: : 300g
Place of Origin: : China
Noise reduction: : NRR:27db SNR:31db