royal non woven filter cones, 13 inch, package of 100 royal save money! royal non woven filter cones are capable of generating a lot of profit for the restaurant business by increasing the time between fryer oil changes. filtering oil is much less expensive than changing it. effective and improves customer satisfaction! these filter cones are a highly effective means for increasing the life of fryer oil. non woven filter cones not only filter the frying oil, but also remove smoking smell and the unpleasant taste from older, unfiltered oil. they take out old food particles left in the cooking oil. improved taste will have customers returning again and again! work safely! safety is key is any restaurant or kitchen setting. help ensure your staff's safety by regularly filtering your cooking oil. these filters make use of the machine's automatic filtration system.