Experience 3M Adflo with Speedglas. The 3M Adflo Powered Air Purifying Respirator (PAPR) System with Speedglas helps deliver fresh, filtered air around the face and head. Its slim profile, lightweight design and long-lasting battery provide comfort and protection all shift long. 3M Speedglas welding helmets protect you while you weld. Easy to operate and maintain Speedglas welding helmets, hoods and accessories are the brand you trust.