The Nu-Vu 254-1002 Door Gasket Kit maintain a tight seal around compatible commercial oven doors, reducing heat loss during operation. Designed as a replacement sealing component, the gasket fits around the door opening to limit the escape of warm air and help maintain consistent cooking temperatures. A properly fitted gasket supports efficient heating, helps reduce unnecessary energy... https://partsfe.ca/254-1002-gasket-kit/2-254-1002.html