Replacement Bulbs/Quartz Sleeves for UltraKlear UV Lights
UltraKlear 1000 UV Quartz Sleeves#95045: 13 inches , quartz sleeve 14 inches
UltraKlear 2500 UV Quartz Sleeves#95046: 23.2 inches , quartz sleeve 24 inches
Ultraklear 5000 UV Quartz Sleeves#95047: 33 inches , quartz sleeve 33.5 inches
** did not include the prongs while measuring
Also ,there should be a UV watt stamped/printed on the bulb.