application Suction and delivery hose for food oils, especially for the precious olive oil. Thanks to the very high inner tube quality, the fragrance and the taste remains unchanged tube White, smooth NBR rubber compound, food quality odourless and taste free reinforcement High strength synthetic plies with steel wire spirals cover Blue, smooth, cloth impression NBR rubber, resistant to abrasion, ozone and weather working temperature -40°F +176°F sterilization at 230°F for 30 minutes specifications FDA title 21 art.177.2600(f) for fatty foods, BfR, ADI free, D.M. 21/03/73, CE1935/2004