Hydro Safe HSFS Replacement UVC Light Bulb H10B3F4 by entering your model number

by entering your model number

Drawing of Replacement UVC Bulb Item # 510409

287mm T5 UV

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Single Pin Double Ended - 25 Watt Germicidal Air

Hydro Safe HSFS Replacement UVC Light Bulb H10B3F4 by entering your model numberGuaranteed Replacement Ultraviolet (UV) Bulb 4 Pin Single End 38 Watts 31. 22 Inch Length Lamp Worry Free Performance for 1 Year The Hydro Safe HSFS UV Light Bulb For Germicidal Water Treatment is a 38 watts water treatment bulb that gives you a worry free performance for an entire year. The UV light bulb has a four pin on a single end base and a wavelength range of 254nm. With an average lifespan of 10,000 hours, the germicidal water treatment bulb