Watts Hydro-Safe HSUV-SS-M-12 UV Light Bulb for Germicidal Water Treatment Item:UV Bulb Tube Diameter: 21

Tube Diameter: 21

contaminants and dirt from building up on the lamp

Total Length: 11

Lamp Voltage: 90V

Watts Hydro-Safe HSUV-SS-M-12 UV Light Bulb for Germicidal Water Treatment Item:UV Bulb Tube Diameter: 21Guaranteed Replacement Ultraviolet (UV) Bulb 4 pin, single end (stepped base) 33. 74 Inch Length Lamp Worry Free Performance for 1 Year The Watts Hydro Safe HSUV SS M 12 UV Light Bulb For Germicidal Water Treatment has a lamp length of 33. 74 inches. The four pin on a single end light bulb has an average lifespan of 10,000 hours after which we highly recommend that you replace the light bulb for better efficiency. The water treatment bulb features a