Auto-darkening, welding helmet which provides high quality, low cost, shade 9-13 variable shade welding lens. Powered by the welding arc, therefore delivers consistent performance removing the need for battery replacement. The helmet can be used in most popular MIG and stick welding applications. Conforms with EN379, EN175B and EN 166B. Supplied complete with a Powered Air Purification Respirator unit with capable to providing a air flow of 170 or 220 lpm. 8 hour battery life on a full charge.