Scovill Model 12 Back Supply Float Valve - Heavy cast brass top feed ballcock with integral shutoff valve. For Wal-San and other wall-hung and in-the-wall toilet tanks. Also used as float valve for industrial and agricultural liquid level control. Boxed with 10" plastic refill tube assembly and 8" float rod. Height: 9-3/4". Available in cartons or 12 or 25 or individually. Float ball sold separately.