The Driver Float Valve keeps your Fish Pond, Swimming pool, Water Feature, Stock Tank to the proper water level automatically. It attaches to a 3/8" Female Pipe Tread or 1/8 Male Pipe Thread. The Valve is made of high quality brass not plastic like other cheap Float Valves. The photos shows how the Driver Float Valve can be used to keep a swimming pool to the proper water level (Pipe and Adapters not included)  Driver Float Valve ships most orders the same day even on weekends! 5% Discount for 2 or more