CureUV Brand UVC Bulb for GermGuardian 6815A Double Helix 18W The lamp features a wavelength

The lamp features a wavelength with lethal effectiveness of  253

The UVC light bulb has lamp wattage of 22Watts and a peak output of 253

18 inch light bulb that has ceramic as its base material

Tube Diameter 22 mm

CureUV Brand UVC Bulb for GermGuardian 6815A Double Helix 18W The lamp features a wavelengthGuaranteed Replacement Ultraviolet (UV) Bulb 2 Pin U Bend G23 Square Barrier 9 Watts 5. 71 Inch Length Lamp Worry Free Performance for 1 Year Our CureUV brand Replacement UVC Light Bulb for GermGuardian 6815A is 9 watts and 100% compatible with germicidal OEM Water sterilization filters, UV sanitizers, and water purifiers. This lamp uses UV C light to inactivate and kill bacteria, molds, protozoa, viruses, and yeasts. With its extended lifespan and