Non-Amalgam based lamp. Perfect for use with motion sensors or other occupancy sensors.
Long Life -- Average rated lamp life of 12,000 hours.
From the Manufacturer
The CIR40/41K Circline lamp is a high quality replacement lamp for any light fixture that features the ANSI 4-Pin circline plug-in base. At 40 Watts, this lamp produces roughly the equivalent of a 120 Watt incandescent bulb. High quality manufacturing means that this lamp will provide even and sustained color and brightness throughout its 12,000 hour life.
ASL CIR40 41K 40-Watt Circline 4-Pin Electronic Magnetic Ballast Bulb, Cool White Available from Amazon Price: $7.44 Updated on 7-24-2010.
