Cap-Mounted Ear Muff, NRR 22DB Adjustable Hard Hat Ear

NRR Sound Technology: Designed with 2 layers of professional noise dampening foam, high sealing solid cup and double-shell, the ear offer a high of 34dB for noise cancelling and attach to a hard hat (NOT INCLUDED) and provide hearing protection with a NRR of 22 dB.
Adjustable Headband Design: Designed with retractable stainless steel at the cap-mount Earmuffs, the ear can be adjusted to fit all sizes. ABS plastic cups create a rigid, high strength and impact resistant earmuff to handle tough environments.
Silence Your World: Good for construction, manufacturing, maintenance, automotive, woodworking, heavy engineering, and running equipment to shield hearing, mainly appropriate for work in building and Manufacturing.
ANSI S3. 19 & EN352-1 Certified: Lab examined and licensed to US and European Standards. Professional Hard Hat Attachment Ear muff for Construction or Manufacturing.

Material: Plastic
colour: black

Package Contents:
1 pair x Ear muff

Only the above package content, other products are not included.
Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.