The Punisher and Destroyer have been modified with a new reflector that allows the use of the Philips M33 lamp, which extends average lamp life to 300 hours. The trade-off is approximately 20% less light than with the previous lamp. An upgrade kit for modifying existing units may be ordered as P/N 850055. The Philips 24V/250W M33 lamp may be ordered as P/N 346007.