Pura UV20 Replacement UVC Light Bulb Bulb Length_10" to 14" Both versions are readily available

Both versions are readily available for purchase

Manufactured using the highest quality industry standards to meet the accurate UV output requirement

external ballast

With single pin on both ends

Pura UV20 Replacement UVC Light Bulb Bulb Length_10" to 14" Both versions are readily available4 Pin on a Single End 23 Watt Germicidal Water Treatment Bulb The Pura UV20 Generic Replacement UVC Light Bulb is a 23 Watt germicidal water treatment bulb that has four pins on a single end. With a total length of 18. 23 inches, CureUV. coms UVC light bulb is an effective way to sanitize water without altering the waters pH, taste, or chemistry. This is because using UVC light to disinfect water is a purely physical process and is a far better option