The Grainfather Conical Fermenter Coat is the perfect fitment for those in a climate that experiences high condensation rates when using either using the Grainfather Glycol Chiller or Cooling Pump Kit to lower the fermenter’s temperature. Features: Made from high quality 5mm thick SBR foam. Consists of two independent sections for both the main body and the fermenter cone for total coverage. California Proposition 65 ⚠ Proposition 65 Warning: This product can expose you to chemicals that are known to the State of California to cause cancer and birth defects or other reproductive harm.