This is a General Brand FRK Lamp -- a 2-pin (one pin thicker than the other) ceramic base bulb for light fixtures and projectors, also known as a CP-89.
Note: Bulb brand may vary depending on availability.
Phillips Brand not compatible with Strand Bambino 650W Fresnel.
Compatible substitutes:
GEFRK (G.E.)
USFRK (Ushio)
For 220-230 Volt use, order: FRL
For 240 Volt use, order: FRM