CureUV Brand UVC Bulb for PurTest P20-4-854 Coating:Shatterproof Coating It is the only bulb

It is the only bulb designed to perfectly work with it

Brightest grow light for healthy plant growth

orgGlasco 1408 Germicidal UV-C Bulb - Water Purifier Lamp

Replacement Quartz Sleeve for Watts Hydro-Safe - HSUV-SS-800 UV Light Bulb for Germicidal Water Treatment

We do not sell UV Guard brand UVC bulbs

CureUV Brand UVC Bulb for PurTest P20-4-854 Coating:Shatterproof Coating It is the only bulb4 Pin on a Single End 39 Watt Germicidal UVC Bulb Our CureUV brand Replacement UVC Light Bulb for PurTest P20 4 854 is a 39 watt germicidal water treatment bulb. With 4 pins on a single end, this germicidal UVC light bulb features a peak UV output of 253. 7nm. This wavelength region comes under maximum germicidal effectiveness and is highly fatal to microorganisms such as bacteria, viruses, protozoa, and other pathogens. UVC light technology works to