Siemens/Sunlight ZCSPL3087 - Ozone Producing Replacement UVC Light Bulb Coating:None You get a 12 month

You get a 12 month worry free water sanitizing operation after which the light may still be visible but the germ destroying ability of the light bulb may have reduced

The UVC bulb is a compatible replacement for the following system models:

solid state electronic ballast with Instant start

The Replacement Quartz Sleeve for Siemens - LP4185 UV Light Bulb for Germicidal Water Treatment is a good quality quartz sleeve that works effectively in your Siemens UVC system

Siemens/Sunlight ZCSPL3087 - Ozone Producing Replacement UVC Light Bulb Coating:None You get a 12 monthSingle Pin Double Ended 41 Watt Germicidal Water Treatment Bulb Our Siemens Sunlight ZCSPL3087 Replacement UVC Light Bulb is a single pin double ended ozone producing light bulb with an arc length of 30. 12" and a total length of 33. 19". With a peak output of 185nm, UV Lamp generates ultraviolet energy which is proven to effectively produce ozone, a natural sanitizer and deodorizer. A 185 nm UV light produces UV energy in wavelengths shorter than 220