Sylvania Metalarc (M400/U) 400 Watt Metal Halide Outdoor Clear Barn Light Bulb

Sylvania Metalarc MS400/U-ONLY Metal Halide Lamp Light Bulb 250W

sylvania metalarc pro-tech mp 350/400/c/ps/bu-only Lamp Light Bulb bt37

BT37 SYLVANIA M400/PS/U Clear 400W BT37 METALARC Pulse Start Light Bulb E39 Base