Fleck (60219-02) Cover Assy, Enviro. Black W-Clear Window FCP100S10P If you notice scale returning

If you notice scale returning to fixtures or appliances

KDF-55/GAC Filter Cartridge Technical Details

Valve Inspection

Achieves greater than 6 Log bacteria reduction and 4 Log cyst reduction without chemicals

Slow-Release Protection Against Scale and Corrosion

Fleck (60219-02) Cover Assy, Enviro. Black W-Clear Window FCP100S10P If you notice scale returningFleck Control Valve Component Fleck 60219 02 Cover Assembly Environmental Black cover assembly with integrated clear window for visual monitoring of control valve operation OEM Fleck Part Clear View Window Direct Replacement WHY IT WORKS Essential Protection with Visibility Clear Inspection Window Integrated transparent panel allows visual confirmation of valve operation without removing the cover Environmental Protection Durable black housing shields