12 NOS NEW Philips Ceramalux High Pressure Sodium Lamp 100W Bulb C100S54. The item "Philips Ceramalux High Pressure Sodium Lamp 100W Bulb C100S54" is in sale since Tuesday, October 29, 2019. This item is in the category "Business & Industrial\Building Materials & Supplies\Lights & Lighting\Light Bulbs & Lamps". The seller is "jrktech" and is located in Olympia, Washington. This item can be shipped worldwide.