Milliard Multipurpose Spring Hose is manufactured from 100% pure, premium-grade plastic pellets and reinforced with high-quality spiral steel wire. Milliard Multipurpose Spring Hose is resistant to high pressure and extreme vacuum conditions, is kink-resistant, elastic, and resistant to deflation, is not easily twisted, is chemical-resistant, and has a transparent surface that makes it easy to monitor the flow of fluids and other materials.