PHOEBE I / E CO. , LTD. Our company is one of the biggest welding glass manufacturer and supplier of china. And is one of the professional manufacturer in supplying dual protective welding glasses applied to electric welding. The technical performance of the products is in conformity with CE and ANSI. We produce all kind of welding filter and protective lenses. Glass filter plate, clear glass protective lens, polycarbonate plate and CR-39 cover lens. Detailed description of welding glass filter and lens: 1) Applications: accessories of welding helmets and welding masks 2) Lenses size: A) 105 x 50 x 3mm / 108 x 50 x 3mm B) 110 x 50 x 3mm / 110 x 90 x 3mm C) 98 x 75 x 3mm / 133 x 114 x 3mm D) 50mm round lenses E) . By buyer's request 3) Lenses thickness: 1. 4--1. 6mm AND 1. 9--2. 1mm