Color: As shown in the First image. Quantity and size : As shown in the title or description. Automatic Floating Ball Valve For Water Level Control Features: This Production Belongs to the Liquid Level Control Valves When Installed, the Float Must Be Vertical if You Need to Install from the Top , a Elbow Needed to Connect the Float Valve and the Inlet Line Firstly, the Feed Line Should Be Fixed in Horizontal Plane and then Connect the Automatic Water Level Control Valve on the Water Inlet According to the Standard The Main Water Inlet Should Be Lined with the Control Valves' Normal Diameter When Using, the Globe Valve Should Be All Open If Two Valves Are Installed in the Same Pool, the Two Valves Should Be Held in the Same Horizontal Plane Be For e Installing, Please Clean the Impurities in the Pipes in Case of Blocking If the Water Quality is Not Good, then the Valves Need to Be Maintained Properly If the Users Find the Time of Adding Water Becomes Longer, He Can Just Upload the Water Inlet and Make It Washed Features: Structure: Control Pressure: As Shown Media: Water Power: Hydraulic Material: Nylon PA66+Food Grade Rubber Model Number: Water Level Control Valve Temperature of Media: Medium Temperature Size: 72x50x70mm Package Contents: 1 X Water Level Control Valve