Killark signal luminaires are ideal for signalling or warning in corrosive and hazardous locations. These units are made of high strength glass-filled thermoset polyester with a Lexan lens to withstand ambient temperatures ranging from -40 to 40 degrees C. The NVSL models (LED lamps) feature an inverted cone design for providing 360-degree coverage, delivering 420 micro flashes per minute for wider projection and increased visual clarity. They can be mounted in any orientation with lens position in the upward or side direction. Choose from a wide range of these UL-listed LED and Xenon fixtures, available in green, amber and red colours. Raptor Supplies also offers Killark explosion proof fixtures with solid state design for resistance against vibrational damage.