This fully assembled multi-valve manifold system is designed for easy no-tool installation, or replacement of tired or worn out systems. Designed with easy maintenance in mind, and should you ever need to repair or replace a valve, the twist-on fittings are easy to undo and pull the valve out without cutting pipe. Additional valves or manifolds can be attached to create a larger system as needed for your yard. The preassembled manifold is durable, built with high-impact, UV-resistant construction. This system works with both 3/4-inch and 1-inch systems.