2 Pack Brass Float Valve 1/2 Inch for Livestock Water Tank Auto Fill

The valve includes two ports, an NPT outlet connection type, and a national pipe tapered inlet connection type. No batteries are required for operation. Solid Brass: This brass water ball float valve is made of solid brass with high quality plastic float, threads are brass so very durable and heavy duty; the 1/2 float valve for water tank is not easy to crack or leak.