This product dissolves tough deposits of built-up grease and carbon on fryers, grills, stoves, exhaust fans, hoods, filters and barbecues. Fortified with high concentrations of solvents, surfactants, and powerful alkalis for unsurpassed penetration and removal of stubborn soils. Thickened foaming formula extends contact time and cleaning performance on vertical surfaces. Non-flammable. Not recommended for use on aluminum, tin, pewter, or other non-ferrous or galvanized metals.