Brower MC32HE Super Insulated Electric Heated Double Drink Horse Waterer MC32HE super insulated livestock waterer is model MC32E less lids and mud grates, can be mounted on a pedestal for horses Super insulation cuts heating costs, extra thick foam insulation has a r-value of 7.14 per-inch, the most of any competing waterer Our polyurethane foam clings tightly around the trough and on the jacket This superior insulation is water resistant Insulation is unattractive to rodents, and it contains no formaldehyde or chlorofluorocarbons