"Medium weight Santoprene thermoplastic rubber wall hose construction with a yellow external wearstrip reinforced with a spring steel wire helix. " "Designed for wide temperature ranges while maintaining flexibility. Good abrasion resistance. Suited for extreme moisture and broad chemical applications. Resistance to ozone, UV rays, weathering, oil and chemcials. " Highly visible yellow wearstrip offers external abrasion resistance. Combines extreme flexibility and excellent compressibility with tight bending characteristics. Easy to clean, smooth inner surface assures minimal friction loss and efficient flow characteristics.