Igloo delivers cold, clean water. Rugged, durable Igloo 400 Series Industrial Strength Water Coolers keep water cold, clean and available. Built for the Real World, the 400 Series takes the abuse of the toughest job site and the most punishing work crews. Red and Yellow high visibility safety colors. HDPE hide won't chip, peel, buckle or rust. Ultratherm insulation for maximum cold retention. UV stabilizers prevent fading, cracking in all exposures. White FDA Grade inner liner is easy to clean a