The Delfield 3516173-S Refrigerator Evaporator Fan Guard 6-7/8" DIA is a protective cover used around the evaporator fan assembly in compatible commercial refrigeration equipment. Positioned over the fan, the guard creates a barrier around the rotating blade while allowing air to pass through the assembly. Its 6-7/8-inch diameter matches the specified fan area and mounting position. T... https://partsfe.com/guard-fan-evap-for-delfield-part-3516173-s