MAG Miller Performance Series Replacement Lenses 5-Pack Combo (770237/231921) — outer & inner protective set

Replacement lens set for Miller Performance Series welding helmets — five combo lenses (770237/231921) per pack to keep your visor optics clear and protected.

Keep your Miller Performance Series helmet working like new by swapping in these genuine replacement lenses. This five-per-pack combo includes the commonly used protective outer and inner lenses compatible with Miller Performance Series shells, helping maintain visibility, safety, and the helmet’s longevity. These lenses are intended for straightforward replacement and fit the referenced Miller part numbers.

Which helmets and part numbers are these lenses compatible with?

These lenses are designed specifically to fit Miller Performance Series helmets that accept the 770237 and 231921 lens formats. They match the original dimensions and mounting style for a secure, no-gap fit that preserves the helmet’s protective envelope.

• Compatible with Miller Performance Series helmet models using 770237 or 231921 lens sizes
• Fits original lens frame and retention system for proper sealing
• Ideal for replacing scratched, clouded, or damaged lenses

How do these replacement lenses improve my helmet’s performance?

Fresh lenses restore clear line-of-sight and prevent light distortion caused by scratching or wear. Replacing old lenses helps maintain consistent shade clarity and reduces eye strain, making tasks easier and safer over long shifts.

• Restores optimal visibility and minimizes optical distortion
• Reduces glare and improves contrast under welding conditions
• Protects inner auto-darkening components from spatter and debris

What’s included and how many should I keep on hand?

This product ships as a five-piece combo pack containing replacement lenses intended for both outer and inner positions as needed. Keeping multiple spares on hand is practical for high-use environments where lenses are prone to scratching or impact.

• Five replacement lenses per pack for staggered swaps
• Useful for busy shops, crews, or maintenance kits
• Simple to store and label for scheduled replacements

How do I replace the lens and care for it properly?

Lens replacement is typically a quick, tool-free process: remove the worn lens from the helmet frame and click the new lens into place following the helmet’s retaining clips. Clean with a soft, lint-free cloth and mild soapy water; avoid solvents that may damage coatings.

• Follow helmet manufacturer instructions for safe removal and installation
• Clean with gentle, non-abrasive materials to preserve coatings
• Store spares in a protective sleeve to prevent scratches before use

Who is this for? These Miller Performance Series replacement lenses are for welders, fabricators, maintenance teams, and safety managers who need authentic, compatible lens parts to maintain helmet visibility and protection. They suit industrial shops, training facilities, and any setting where frequent lens wear occurs and reliable optical performance is required.