Honeywell Fibre-Metal 4199IRUV5 High Performance Extended View Faceshield Windows is a premium impact-resistant face shield window engineered with IR/UV shade 5 protection and an extended-view design to deliver enhanced facial coverage and reliable filtering of infrared and ultraviolet radiation in welding and high-heat applications. Featuring durable high-strength construction for superior impact resistance, a shade 5 lens to reduce glare and radiant energy exposure, wide panoramic coverage for improved peripheral visibility, and compatibility with select Fibre-Metal® headgear systems, this extended view window supports common PPE needs such as welding face shields, IR/UV protective visors, and industrial high-performance face protection equipment. Designed to help workers maintain clear sightlines while minimizing exposure to sparks, heat, and flying debris, it enhances safety, compliance, and productivity in fabrication, foundry, and metalworking environments. This product meets ANSI Z87.1 requirements for eye and face protection and complies with applicable OSHA regulations for occupational welding and face shield use.