The 3M Fresh-air II supplied air system with Speedglas helmet is NIOSH approved and provides respiratory protection from airborne particles and gases. The lightweight, belt-mounted valves allow the welder to adjust the temperature of the air entering into the facepiece ±45°, making it ideal for very hot or strenuous conditions. Available with either a cool-air valve, which allows the welder to lower the air temperature by up to 45°F (25°C), or a temp-air valve, which allows either cooling or warming of the air by up to ±45°F (25°C).

Available filter options include: shade 10, 11, 12, or variable shade 9-13. Lens also available in standard size (3.57" x 1.68") or wide view (4.09" x 2.13").