The Victaulic Style 99 Roust-A-Bout Coupling is a high-quality 3″ ductile iron fitting designed for use in various hydraulic, pneumatic, and plumbing systems. With a maximum working pressure of 600 psi, this coupling is suitable for demanding applications that require reliable and durable connections. The Victaulic brand is known for its superior products, making this coupling a trusted choice for businesses and industrial users seeking robust fittings and adapters.