The durable water tank float valves, perfect for low-pressure gravity feeding systems. Completed with adjustable arms and a standard size fitting, the auto fill float valves are suitable for a wide range of applications such as ponds, livestock water troughs, aquariums, aquaculture, hydroponics, and reservoirs. SPECIFICATIONS: Item: float valve Material: PVC and stainless steel Pipe Size: 1/2 Inch Float Rate: 1.3 gallons per minute (gpm) @40 psi 1.5 gallons per minute (gpm) @60 psi Please note: The water float ball valve is suitable for low pressure gravity feeding systems, leak-free operation is achieved by hand tightening. PACKAGE INCLUDED: 2Pcs x Float Valve