The AllPoints Foodservice Parts & Supplies 281561 Evaporator Fan Guard is designed for use in refrigerators and freezers. With an outer diameter of 6-3/8 inches and a thickness of 3/8 inch, this guard is made from durable clear plastic, ensuring visibility while providing essential protection for the evaporator fan. Its robust construction helps maintain optimal airflow and efficiency, making it a reliable choice for foodservice equipment maintenance.