Combined eye, face and respiratory protection for welding applications Comes with 3M™ Speedglas™ Welding Helmet 9100 Air, welding filter 9100XXi and 3M™ Adflo™ Powered Air Respirator Nominal Protection Factor 50 (TH2) 3M™ Speedglas™ Welding Filter 9100XXi offers variable dark shades of 5, 8 and 9-13 for most types of arc welding Front panel houses external controls for fast, easy access to grinding and memory modes Welding filter viewing area: 73 mm x 107 mm Automatic ON welding filter feature Delay settings allow you to extend the recovery delay of the welding filter from dark to light, according to welding method Light-to-dark switching time of 0.1 ms 3M™ Adflo™ Powered Air Respirator helps protect you against both particles and gases in one system Gas filters and odour filters are sold separately. The slim profile and ergonomic design make it lightweight and suitable for tight welding spaces