... big power lamp bulb Features: 1. 30W, 40W, 50W, 60W, 70W, 80W, 100W; 120W;150W; 160W; 180W;200W;240W;320Wwith EPISTAR high lumen ... oxide treated aluminum reflector for light diffusion and anti-corrosion;11. Acrylic reflector for high transparency for lighting around;12. Closed corrosion ...