While PVC piping is a must for in-ground pool equipment its a commonly over looked upgrade for above ground pool equipment systems. Typical above ground filter hoses are brittle and frequently leak. Flexible PVC is used in place to prevent leaks. Lasting much longer then standard filter hose it proves to be economical over time. Our standard installation Package includes two heavy duty ball valves, a 90 degree elbow and 12 feet of flexible PVC.