Quartz Sleeve for Watts Hydro-Safe HSUV-SS-24 UV Light Bulb for Germicidal Water Treatment Quartz Diameter_19 The UVC bulb is compatible

The UVC bulb is compatible with the germicidal UV-C lamp model:

A reflector in the lamp unit improves durability

Please watch the UV-C safety video below if you have any questions or concerns

The Lancaster Pump 7-L20 Replacement UVC Light Bulb is a completely compatible replacement lamp bulb that exceeds OEM standards of curing bulb performance

Philips TUV 20W 4P SE UNP (23061-5) Lamp Bulb Replacement for Germicidal air Treatment

Quartz Sleeve for Watts Hydro-Safe HSUV-SS-24 UV Light Bulb for Germicidal Water Treatment Quartz Diameter_19 The UVC bulb is compatibleReplacement Quartz Sleeve for Watts Hydro Safe HSUV SS 24 UV Light Bulb for Germicidal Water Treatment In order for your germicidal water system to work effectively, it is imperative that the quartz sleeve is completely clear. A foggy or dirty quartz sleeve can significantly attenuate the power of your UVC bulb, resulting in substantially less sterilizing power. A good way to think about it is that if you have trouble seeing through the sleeve then it