The 1 In. Swivel Adapter connects 1 In. valves to Orbit's Heavy-Duty Manifold. The Orbit manifold system is the easiest way to assemble a sprinkler valve manifold. No special tools are required, just hand-tighten both ends of the adapter. Manifold fittings are durable and UV resistant.Connects 1In. valves to Orbit's Heavy-Duty Manifold Connect, expand, or repair preassembled valve manifolds No special tools required Durable UV resistant and high-impact construction 1" MPT x 1-1/4" Female Buttress Swivel