Designed to be compatible with 3M Hard Hats, the 3M Hard Hat Faceshield Holders help securely mount a faceshield to your hard hat. Compatible with a variety of 3M V-Series Faceshields that help protect against impact, splash and/or radiant heat.Designed for compatibility Designed to be used with the P3EV/2-10P Adapter, 3M Hard Hat Attached Earmuffs or Hard Hat Attached 3M PELTOR() Advanced Hearing Protection Ease of use Allows the worker to conveniently lift the 3M V-Series Faceshield when not in use. Designed to be easily installed without the use of tools. Integrated safety 3M Hard Hat Faceshield Holders are tested together with 3M) Hard Hats and Faceshields to ensure these systems meet the requirements of ANSI Z87.1 for Occupational and Educational Personal Eye and Face Protection Devices and ANSI Z89.1 for Industrial Head Protection.