A high pressure sodium lamp which gives superior colour rendition characteristics, has a rated life of 24,000 hours, a 2100K colour temperature factor and a very high lumen output almost twice that of comparable mercury vapour lamps.
A high pressure sodium lamp which gives superior colour rendition characteristics, has a rated life of 24,000 hours, a 2100K colour temperature factor and a very high lumen output almost twice that of comparable mercury vapour lamps.
