Ortac 400 is a premium multipurpose hose that is durable enough to stand up to the toughest jobs due to the highest oil and abrasion resistant cover available. High strength 4-spiral yarn reinforcement construction maximizes flexibility while providing a constant 400 psi working pressure and a 4:1 burst safety factor. A highly visible, fluorescent yellow, carboxylated NBR/PVC blend cover provides superior resistance to abrasion, oils and other petroleum based products. These features makes Ortac 400 ideal for extra heavy duty pneumatic use and various multipurpose applications.