June 2011 - New Standard face seal
June 2011 - New Standard face seal
The Standard face seal is one of the two face seals which were designed for the new BH3 AIR welding helmet
The BH3 AIR set, in combination with the Standard face seal, achieves the TH3 protection class with Clean AIR Basic Flow Control, as well as with the two new chemical units; Clean AIR Chemical 2F and Clean AIR Chemical 3F.
New Standard face seal leaflet
