PHILIPS 19267715 SON-T E

Superior technology results in a long and reliable lifetime, high lumen maintenance and a reliable ignition over lifetime High energy efficacy and absence of lead (Pb) makes this a sound environmental offer High luminous efficacy makes this the most energy efficient HPS lamp Clear tubular outer bulb Ceramic discharge tube with Philips Integrated Antenna (PIA) for a long and reliable lifetime Robust construction with few welding points is highly vibration- and shock-resistant, further reducing early failures and extending lamp life ZrCo getter ensures high lumen maintenance and few early failures "Plus" concept with high efficacy translated into high light output Completely lead-free lamps