Why you need replace a quartz sleeveover time, the quartz sleeve can become fouled or cloudy from mineral deposits in the water. When the sleeve is cloudy or fouled, it¡¯s not transmitting the full uv dose into the water, and your system will not function effectively. Cleaning the sleeve is simple and requires the use of a mineral removal product such as clr. Once the sleeve is thoroughly cleaned, it can be placed back into the system and is ready to do its job.If your sleeve is extremely fouled or difficult to clean, you must consider replacing it. Sleeves can work for a long time, but should be transparent in order to properly transmit uv light from the lamp and disinfect the water. If it's not, you should replace it.

• Length 18.5 in-470mm,diameter 0.9 in-23mm,one end
• Standard replacement for ats-476d
• For dws-8v,ev-8e,se-8v,sl-8v
• High uv light transmittance