Eaton Silicone hose products include FF90830 series Hump-hose. Eaton Silicone Hose Developed for high-temperature, High-Vibration Truck, Bus, and Mobile Off-Highway applications. These Silicone Hump Hose Couplers are constructed of silicone with polyester reinforcement with blue cover.  Temperature range is from -65º F to +350º F.  Available in -12/-96 (3/4" to 6") Inside Diameter.