PAPR (Powered Air Purifying Respirator) system with auto darkening welding helmet.Large viewing area of 98mm x 55mm.True colour technology for improved depth perception, allowing far greater welding precision.Lithium battery powered respirator unit provides the user with a constant filtered stream of air to their head and face for up to approximately 5 hours.The filter is designed to reduce or remove dust and particles but not vapours and gases.The kit meets performance class TH2 (Less than 2% inward leakage) according to EN 12941:1998/A2:2008.Adjustable airflow settings of 150/180L/min.Features an audible alarm to alert user of low battery/low airflow.Welding helmet has adjustable shade control from 9-13 and 5-8.Fully automatic switching from light to dark on striking arc @ 1/25,000s.Solar panel power supply to welding helmet.Suitable for MIG, TIG MMA/arc welding, cutting and grinding.Complies with all BS EN379, EN175, EN12941 and DIN standards.Model No. PWH617LITHIUM BATTERY & SOLAR POWERED - Lithium battery powered blower unit gives the user a cooling stream of air to their head and face for up to 8 hours. Solar power panel supply for welding helmet. FULLY ADJUSTABLE - Adjustable airflow settings of 150 and 180L/min. Welding helmet has adjustable shade control from 9-13. Additional shades 5-8 for gas welding and cutting. Adjustable headband for added comfort. SENSITIVITY & DELAY CONTROLS - Helmet features sensitivity and delay controls for switching light to dark. Fully automatic switching from light to dark on striking arc.REDUCES & REMOVES DUST - Designed to reduce or remove dust and particles but not vapours and gases.COMPLIANT WITH BS & DIN STANDARDS - Welding helmet complies with BS EN 379, BS EN 175, EN12941 and DIN standards.