iSpring UVB55FS 55W UV Replacement Lamp UV Bulb for UVF55FS Whole House UV Water Filter
VEVOR UV Water Purifier Sterilizer Filter, UV Light Water Filter for Whole House Water Purification, 12GPM 110V 55W, 3 UV Lamps + 2 Quartz Sleeves | VEVOR US
UV Sterilizer 55W (12GPM), UV Lamp (T5), Input Voltage 110V, 1" male thread, US plug pin, light and audio alarm ballast
ISPRING UVT55 UV Light Whole House Water Filter Transformer/Ballast, 55-Watt/110-Volt for UVF55 UVT55 - The Home Depot