This product is designed, manufactured, labeled, and packaged for sale to industrial and professional customers for workplace use; it is not intended for consumer sale or use Soft silicone sealing surface that’s been specially designed with the wearer in mind 3M Cool Flow Valve helps release warm and moist exhaled breath from inside the respirator Unique head harness and optional drop-down strap design provide ease of use When used with the correct 3M bayonet-style filters it can protect against a broad range of gases, vapours and/or particulate hazards Compatible with most 3M 2000, 5000, 7000 and 6000 Series filters to suit individual needs Can be used with 3M Powered and Supplied Air Systems TR-300, TR-600 and S-200+ for increased convenience and flexibility Spare parts help maintain the right level of comfort and protection Available in three sizes: small, medium and large