Small Bayonet B15 7w (35w) Low Energy Saving Candle Light Bulbs from Omicron.

Specification:
Wattage : 7 Watt
Equivalent to : Approx 35 Watts
Light Colour : Warm White 2700K
Lumens : 350 lm
Average Life: 5000 hrs
Lamp base: B15 SBC (Small Bayonet)
Height : 14cm / 140mm
Width : 4.2cm / 42mm

NB: These lightbulbs are not suitable for dimming switches.