3m 8515 N95 Particulate Welding Respirator with Valve - China Mask, Welding Respirator | Made-in-China.com
3M 8512 WELDING RESPIRATOR X 10 WITH VALVE - Acure Safety
Air Fed Welding Helmets | Welder's Choice
RPB Safety Welding Powered Air Purifying Respirator Z-Link+ Face Seal
3M™ 9925 speciality filtering half mask (respirator) with additional protection against welding fumes, organic compounds and ozone (with exhalation valve) (FFP2, up to 12 MAC)
This is a full face welding respirator. It's heavy, uncomfortable, and hard to breathe in. During turnarounds I wear it for up to 16 hrs a day to weld inside refinery towers.