Safe Water Technologies DI-LMPUVR04 Replacement UVC Light Bulb G10T51/2L you can find them by

you can find them by clicking here

Power source: "9V" battery (included)

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and return the lamp arm to its storage position

Durst Rho 500R

Safe Water Technologies DI-LMPUVR04 Replacement UVC Light Bulb G10T51/2L you can find them by4 Pin on a Single End 23 Watt Germicidal Water Treatment Bulb The Safe Water Technologies DI LMPUVR04 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