4121 Great Northern Popcorn Kettle Cleaning Crew Popcorn Popper Kettle Cleaner Net Wt : 15fl. Ounces (425 gm) Kettle Cleaner specifically made for home and commercial grade electric popcorn poppers Our specially formulated cleaner will dissolve build-up, burnt on, grimy gooey cooking oils used to pop popcorn The Kettle Cleaning Crew keeps your popper looking good for years Warranty: 30 days