This 3M Versaflo Premium S-Series Hood and Hard Hat Adapter is designed to fit the 3M SecureFit Hard Hat H-700 Series and the 3M Hard Hat G3000 Series and used in conjuction with the 3M Versaflo S-Series Premium Hoods and 3M Versaflo Powered and Supplied Air Respirator Systems.The 3M Versaflo Premium S-Series Hood and Hard Hat Adapter S-960 allows users to integrate 3M SecureFit Hard Hat H-700 or the 3M Hard Hat G3000 with the 3M Versaflo S-Series Premium Hoods. When used with the 3M Versaflo Powered and Supplied Air Respirator Systems, the integrated solution provides head impact, respiratory, and head, face and shoulder coverage from dust and spray.