... /4”,3/8” and 1/2” NPT fittings, vehicle inflator hose and other air delivery with iron fittings . Construction: 1. Type ... : single hose; 2. Appearance: smooth surface, red, black, blue, yellow or other ... and outer are made of SBR natural rubber; 4. Packaged: PVC film wrapped , shrinked with card, carton, wooden plate. 5. Temperature ...