The Middleby Marshall 27470-0004 Oven Fan Guard helps protect the rotating fan assembly in compatible commercial ovens while allowing air to circulate properly around the fan. This guard is designed to fit over or around the fan area, creating a protective barrier that helps reduce accidental contact with moving components and keeps larger debris away from the blades. Properly install... https://partsfe.ca/fan-guard-for-middleby-part-27470-0004