Eliminates a lot of vacuuming. A 4-way valve gives you the control and ease of directing your water. Kit includes a Hayward bottom drain with safe anti-vortex cover. 4 way ball valve, 25 feet of 1-1/2" flexible PVC hose, quick disconnect fittings for easy winterizing, directions and all the clamps and fittings you need. Will fit up to a 30' round pool.