Editorial Review This drip manifold bundle has the following items in it; 1- Orbit 4-port full flow drip manifold (Orbit part # 61004 and 1- Orbit 8-port drip manifold (Orbit part # 61008). Drip manifolds are used to easily create drip irrigation areas using existing irrigation systems. These manifolds are designed to attach to any 1/2" male threaded sprinkler riser. These versatile manifolds includes the following features: 1. Threaded outlet caps if not all ports are in use. 2. An easy access filter to prevent clogging.