The Perlick 65666 Evaporator Fan Guard Plastic 4-5/16" DIA x 3/4" High is a protective component used around the evaporator fan assembly in compatible commercial refrigeration equipment. Positioned over the fan area, the guard creates a barrier around the rotating blade while maintaining an open path for air circulation. Its 4-5/16-inch diameter and 3/4-inch height match the specified... https://partsfe.com/guard-evaporator-fan-for-perlick-part-65666