The Aqua Flo 89511 Quartz Sleeve is the genuine replacement sleeve for use with Aqua Flo's UVSS-10 & UVSS-10M systems. The Aqua Flo 89511 quartz sleeve provides thermal protection for the system's UV lamp and protects it from possible damage.

It is recommended to clean and inspect the quartz sleeve when changing your filters, and each year when replacing your Aqua Flo 89501 UV Lamp. Replace your Aqua Flo 89511 quartz sleeve if damaged or if it cannot be cleaned by non-abrasive methods.