Complete starter powered respiratory kit comes complete in a box. Electronic welding helmet offers the latest in Auto Darkening Filter (ADF) technology in a modern lightweight shell design. The ADF is 1/2/1/1 certified with a large 97 x 47mm viewing area and grinding mode. 180 litres of filtered air per minute. Li-ion battery, with up to 8 hours usage before recharge. Approved to EN 12941, ADF Lens – EN 379. Welding Shield – EN 175