KREEM Gas Tank Sealer Kit Kreem Combo Pack The Kreem tank prep products and sealer kit combine to create an excellent 'tank within a tank.' Tank degreaser removes oil film from inside new tanks. The advanced sealer formula cures to a tough white skin which protects the inside of the tank from rust and corrosion. Resists leaded and unleaded gasoline, gasohol and octane boosters or fuel additives when used in recommended concentrations. Available in a complete kit which includes the sealer and the tank prep. Kreem tank mask prote Combo 3Pack (prep and tank sealer) Made in the USA *Product ID = 3805