SPST, 3" Insert, FF558
SPST, 7" Insert, FF559
7" Insert, No shield, FF560
7" Insert, Includes shield, FF561
3" Insert, FF562
7" Insert, FF563
Adjustable Temp, 3" Insert, FF564
Adjustable Temp, 7" Insert, FF565
Fan Control w/ Time Start 3" FF566
Fan Control w/ Time Start 7" FF567