Welding Helmet - TOOGOO(R) Solar Auto Darkening Welding Helmet Mig Tig Arc Milling welders mask At the time of his departure welding filter screen automatically changes from light to dark in only 1/25, 000 seconds. Dark to clear delay adjustment: Operator can vary the time for the filter to return to clear state. Variable shade (DIN) DIN di DIN 9 to 13 can be adjusted by turning a button shadow. With fully adjustable ratchet headgear, including a band for very comfortable sweat (washable). The main gear allows you to place the helmet away or closer to his face.