Restaurant owners know that one of the keys to running a successful business is managing food cost, and fryer filter oil plays a large role. Filtering your shortening ensures the flavor of the food stays consistent and lowers operating cost. Our PRINCE CASTLE SHEET FILTER - 13 7/8" x 30 9/16" 1 5/8" HOLE replacement filter will help extend the life of your shortening by up to 60%, saving you time and money.