North P451SH10 Fixed Shade Lens Shade 10 Glass Green

Product Description

The NORTH P451SH10 is a fixed shade glass lens designed for use in welding helmets, face shields, and similar protective eyewear equipment. It provides consistent optical protection at Shade 10, blocking the appropriate level of infrared and ultraviolet radiation produced during welding and cutting operations. Measuring 5.25 inches wide by 4.5 inches tall, the lens is constructed from green-tinted glass and mounts horizontally in compatible lens frames. Installation and replacement are straightforward tasks performed by safety equipment technicians or qualified tradespeople responsible for PPE maintenance on job sites.

This lens is suited for applications requiring Shade 10 eye protection, which is typically appropriate for medium-amperage arc welding, MIG welding, and plasma cutting operations. The horizontal mount configuration fits lens holders and welding helmet frames designed to accept fixed shade glass lenses of this format. It is a direct replacement lens used in industrial, construction, and manufacturing environments where proper arc flash and radiant light protection is required.

Key Features

• Shade 10 optical density for medium-amperage welding and cutting eye protection
• Glass construction for durability and optical clarity under radiant heat exposure
• Green lens tint provides standard color rendering for welding applications
• Horizontal mount design fits compatible protective eyewear lens frames
• Fixed shade format — no variable adjustment, ensuring consistent protection level
• Compact 5.25 inch by 4.5 inch footprint sized for standard welding helmet lens openings

Compatibility

Designed as an OEM-style replacement fixed shade glass lens for welding helmets and face shields that accept horizontally mounted lenses measuring 5.25 inches wide by 4.5 inches high.

Installation Notes

Lens replacement should be performed by a qualified safety equipment technician or competent person responsible for PPE inspection and maintenance. Before replacing the lens, ensure the welding helmet or face shield is removed from service and inspected for frame damage. Follow the helmet or shield manufacturer's lens retention instructions to seat the lens securely before returning the equipment to service. Comply with applicable ANSI Z87.1 eye and face protection standards when selecting and installing shade lenses.