the germicidal water treatment bulb must be replaced after its scheduled life even if it continues to emit light
3 inches in length
The Ultraviolet Purification - EP8 UV Light Bulb For Germicidal Water Treatment is a 41 watts UV bulb that gives you a worry-free performance for an entire year
Aluminum Reflector Set for Hanovia Part # 6830A441 UV Curing Lamp Bulb
Replacement Quartz Sleeve for Sunlight - LP4050 UV Light Bulb for Germicidal Water Treatment
Hallet Upstream NC15-75 Replacement Germicidal Lamp Item:Ballast the germicidal water treatment bulbReplacement Ultraviolet Bulb for Hallett Upstream, model # NC15 75 This generic version of an Ultraviolet (UV) Bulb is a 100 % compatible with the bulb used in the Hallet Upstream system, model no NC15 75. This 4 pin UV Lamp is a 50 watt mercury filled lamp, and with an overall length of 21 inches it is the most cost effective replacement to keep your clean water running. Models: Hallet 15XS, C3000210, E300209, E300210, H300210, Upstream NC15 50,