Used "Optrel Solarmatic" self darkening welding helmet. https://canadaweldingsupply.ca/products/optrel-solarmatic-comfort-osc-welding-helmet?variant=14535013695532¤cy=CAD&utm_medium=product_sync&utm_source=google&utm_content=sag_organic&utm_campaign=sag_organic&utm_campaign=gs-2018-08-07&utm_source=google&utm_medium=smart_campaign&gclid=EAIaIQobChMIraGtqZLh8QIVlR-tBh3bEQZ3EAQYASABEgLbM_D_BwE