Set of the SR 700 fan unit and SR 592 welding shield. Supplied with automatic welding filter 4/9-13. Contains: SR 700 fan unit, SR 592 welding shield, SR 503 leather belt, 2 pieces of particle filter SR 510 P3 R, 2 filter holders, 10 pieces of pre-filters SR 221, 2 metal filter clips SR336, 2 pre-filter holders, flow meter, connection kit, hygiene wipes, and instructions.