Philips HF-M BLUE 124 SH TL/TL5/PL-L HF-Matchbox BluePhilips HF M BLUE 124 SH TL TL5 PL L HF Matchbox Blue 913700417966 HF Matchbox Blue is an affordable, reliable, compact, lightweight and highfrequency ballast for use with system wattages below 25 W in combination with TL mini, TL D, TL5 and TL5c, PL T C, and PL L S lamps. The HF M Blue range has a robust design, meets all relevant international safety and performance standards and has an energy efficiency index (CELMA EEI ) of A2. TL5 24W TL D 15 18W