Differentiate your hose by color. The abrasion-resistant polyester cover on this hose comes in red, white, or yellow. The lugs provide a quick connection to hydrants and washdown equipment. Use a hook-style spanner wrench to tighten them. Fittings that swivel until tightened are easy to install.Brass fittings are more durable than aluminum fittings. Hoses meet NFPA Safety Standards. They are also UL Listed and FM Approved to meet American safety standards.