OSRAM SYLVANIA Dulux S Ecologic Pl Type Compact Lamp, S (T4), 13 Watt, 3500K, 82 CRI, Gx23, 120 Volts-683365 Manufacturer: OSRAM SYLVANIA Manufacturer Part Number: 21137 Sylvania Deluxe S Ecologic Pl Type Compact Fluorescent Lamp, S (T4), 13 Watt, 3500K, 82 Cri, Gx23, 120 Volts - 683365