The Sealey PWH615 Welding Helmet with an Air Purifying Respirator The Sealey PWH615 PAPR (Powered Air-Purifying System) with Auto Darkening Welding Helmet. The highly efficient filter captures hazardous dust, mists and fumes. This lithium battery-powered blower unit gives the user a cooling stream of air to their head and face for up to 8 hours. Features a loud audible and visual alarm to alert users of low battery/low air. The welding helmet has adjustable shade control from 9-13. Fully automatic switching from light to dark on striking arc. Additional shades 5-8 for gas welding/cutting. Features sensitivity and delay controls for switching light to dark. Contoured design helmet with adjustable headband for added comfort. Suitable for MIG, TIG and arc welding. Complies with BS EN 379, BS EN 175 and DIN standards. Features:  Solar panel power supply Suitable for MIG, TIG and arc welding Additional shades 5-8 for gas welding/cutting Complies with BS EN 379, BS EN 175 and DIN standards Fully automatic switching from light to dark on striking arc The welding helmet has adjustable shade control from 9-13 Highly efficient filter captures hazardous dust, mists and fumes Features sensitivity and delay controls for switching light to dark Contoured design helmet with adjustable headband for added comfort Features a loud audible and visual alarm to alert user of low battery/low air PAPR (Powered Air-Purifying System) with Auto Darkening Welding Helmet Lithium battery-powered blower unit gives the user a cooling stream of air to their head and face for up to 8 hours Specification: Shade Inactive: 4 Nett Weight: 3.91kg Grinding Function: Yes Viewing Area: 120 x 100mm Operating Time Light/Dark: 0.1ms Shade Active: 5-8 & 9-13 Variable Operating Temperature: -5°C to +55°C Power: Solar Cells/Rechargeable Lithium Battery