Widely Used - It fits all standard welding helmet window opening. Highly functional for intense welding applications CONVENIENT & EFFICIENT - The Solar Auto Darkening Welding Lens Filter with solar function and full automatic ON/OFF. GOOD - You will have a good with it at working and precent occupational disease, and you will get a effective and safety environment. CLEAR VIEW - high clear view filter Use high quality LCD and multilayer optical interference filter. Confidence comes from high quality and our continuous pursuit for perfectness. If you feel dissatisfied, we promise you a replacement or an immediate refund., Weight: 0.0881849048 pounds, Manufacturer: Hilitand