Filbur Cartridge [60 sq ft, 3-1/16" OD Top x 3-1/16" OD Bottom x 7-7/8" dia x 14" L] (FC-1930) intermatic A four-button topside panel is

A four-button topside panel is often the ideal balance between simplicity and feature access

Designed for compatible spa return-line applications

and this generic version is designed for SP0506 and SP0506UV related applications using the 90-423-6163 reference

Helps control flow direction in compatible plumbing systems

Useful when the original wire is worn or damaged

Filbur Cartridge [60 sq ft, 3-1/16" OD Top x 3-1/16" OD Bottom x 7-7/8" dia x 14" L] (FC-1930) intermatic A four-button topside panel isThe Filbur FC 1930 filter cartridge is designed for compatible filtration systems that require 60 square feet of media with 3 1 16 inch top and bottom openings. Its 7 7 8 inch diameter and 14 inch length make it a fit specific replacement for systems that need a moderately compact cartridge with matching end dimensions. A cartridge like this is especially useful when the filter housing was built around a balanced diameter to length format rather than