Quartz Sleeve for Aqua Treatment Service ATS4-843 Replacement UVC Light Bulb DWS-12 you can find them here:

you can find them here:

The Iwasaki Part # H03-L31 UV Curing Lamp Bulb is a 100% compatible guaranteed UV replacement lamp bulb that is filled with mercury

Breathe Easy BE-36

000 hours after which we highly recommend replacing it for better performance

The Lancaster Pump LUV-60E UV Quartz Sleeve is a guaranteed replacement UV quartz sleeve that is fully compatible with the following system model:

Quartz Sleeve for Aqua Treatment Service ATS4-843 Replacement UVC Light Bulb DWS-12 you can find them here:Replacement Quartz Sleeve for Aqua Treatment Service ATS4 843 Replacement UVC Light Bulb The Replacement Quartz Sleeve for Aqua Treatment Service ATS4 843 Replacement UVC Light Bulb is an open ended quartz sleeve that is a guaranteed compatible replacement. The quartz sleeve works well with water sterilization filters, UV sanitizers and purifiers. The high sleeve works in unison with UV lamps in water disinfection units. With the help of quartz sleeve