Take a look at the Casell F10T4-835-CA T4 352mm Fluorescent Tube designed with a 13mm diameter and G5 cap. This energy efficient model uses just 10 Watts of power to provide a crisp White light (3500 Kelvin) and an efficiency proven by its 5000 Hour lifespan guaranteed by Casell.

Please Note These are unusual sized fluorescent tubes - Please double check your measurements before ordering - for length excluding pins measurement please see technical specifications below.