Cast pots Thermo ad cast pots Special granite coating: Special granite coating paints with high durability values are used in the entire Thermo ad product range. Thermo ad products maintain their first-day appearance for many years. PFOA-free: Non-stick coating technologies that do not contain PFOA (Teflon) are used in the entire Thermo ad product range. Your health is valuable to us. 2-year thermo ad warranty: The entire Thermo ad product range is under our company's 2-year warranty for 3 different criteria: coating-paint and casting product body.