The G5-01/03NC welding filter, from the G5-series welding filters, has Natural Colour Technology so welders can see colours more naturally and have improved contrast during welding. Ensure you get the optimum level of protection from your Welding Helmets G5-01 and G5-03 Series, with Welding Filters G5 Series. 3M offers a range of auto-darkening filters and passive-filter alternatives. For maximum benefit, 3M™ Speedglas™ G5-01 filters also fit the G5-03 helmet and vice versa. For maximum safety and comfort, make it a habit to check your equipment regularly.