Watt：4W/6W/8W/10W/15W/18W/30W/36WLamp working voltage: 28V, 42V, 45V, 56V, 60V, 62V◇Base:G5、G13◇Wave length:254nm with or without ozone.◇The lamps use boric glass. Which can transmit 70% of the ultra-violet ray.Application: killing or inactivating bacteria, viruses and other primitive organism air, water and surface disinfection in hospitals, bacteriological research and pharmaceutical environments, and food processing industries such as dairies, breweries and bakeries, disinfection of drinking water, wasted water, swimming pools, air conditioning systems, cold storage rooms, packing materialsUsed in a variety of photochemical processes.