Face Shield Integrated Adapters: Compatible with GREEN DEVIL Mervex series hard hat.Visor and visor bracket combination,no need to purchase additional accessories. Provides Good Visibility And Debris Protection :Wider, durable and easy flip-up and down metal mesh face shields can help prevent cuts and scrapes from branches, flying wood chips, and saw dust. Safety Applications:In conjunction with hard hat to help complete comprehensive above-the-neck safety systems,protecting your eyes and face. Perfect Fit And Easy To Install:Curves naturally to fit facial contours,provides full front 180degree face shield .It great for attached to hard hat,Just insert it to the slot of the helmet and good to go. Reliable Quality:strictly meets Z87 + specification for a face shield.If you have any questions, welcome to reach us，we will make things right, FAST! CAUTION: This faceshield does not provide unlimited protection against impact and splash hazards.Suitable basic eye protection should also be worn in conjunction with this faceshield when In a specific working environment.