Bouton® 250-21-0421 Hi-Voltage AC™ Dual Lens Protective Glasses, Anti-Fog, Gray Lens, Half-Frame Frame, Black, Polycarbonate/PVC Frame, ANSI Z87.1+, CSA Z94.3 Bouton® 250-21-0421 Hi-Voltage AC™ Dual Lens Protective Glasses, Anti-Fog, Gray Lens, Half-Frame Frame, Black, Polycarbonate/PVC Frame, ANSI Z87.1+, CSA Z94.3