Philips 368720 - C100S54/ALTO High Pressure Sodium Light Bulb
$19.79
Philips 100 watt - ED23.5 - Mogul Screw (E39) Base - 2,100K - Warm White - Clear - ALTO - Ceramalux | Philips High Pressure Sodium HID Light Bulb (C100S54/ALTO 368720)