G & P Tools Long Eyeball Seat Removal Tool (99 366 1020) cfrfilters and SherLok compatibility together with and SherLok compatibility together with the 2 inch relationship give this tank body its practical value because structural filter parts work best when they match the original size and assembly relationship closely this ring terminal set helps support dependable heavy gauge electrical connection and contributes to cleaner wiring stability The long seat application gives this tool practical value because specialty removal tools work best when they match the specific part design being serviced This type of tool is especially useful when jet or return component repairs require access to seated internal parts that are difficult to reach with general hand tools