The Philips HF-M Red 114 SH TL/PL-S/PL-C is a square non-dimmable, high frequency ballast to run: 1 x 13 watt single turn and 1 x 13 watt double turn. This ballast has flicker free start,Multi lamp ballast, Compact power IC and energy saving of more than 25% compared with electromagnetic gear. The Philips HF-M Blue range is suitable for installations with emergency back up.