Description Main Features: Easily adjustable head harness with ratchet. Strong and flexible PE breathing hose. Comfortable elastic cotton face seal. Intergrated removable charcoal filter. Large viewing area, chemical and mechanical resistant visor. Easily removal disposable visor system. Possibility to flip-up visor. Supplied with belt-mounted air-flow regulator with integrated removable charcoal filter and silencer. Specifications: Working Pressure: 3-7 Bar (Max 10) Airflow: 170-350 Adjustable Weight of Regulator Incl. Hose: 330g Noise Level: 59dB Working Temp: -10°C to 50°C Visor: 150 x 420 mm Disposable Visor: 100 micron