88-EN Gann Nylon Elbow. 1” Hose x 1” Pipe Glass Reinforced. Made of glass-reinforced nylon suitable for most engine applications. All Gann nylon fittings are produced using a special glycol resistant material that is UL-listed for engine cooling systems, heat-resistant to 480°F. Ships from Michigan. We try to ship same day as ordered or the next business day.