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 valveMaterial: PVC and stainless steelThread Size: 1/2 Inch NPTThread OD. 0.84 inch (21.34mm), not 1/2 inchPlease note: 1/2 Inch NPT refers to the thread standard, not the actual measurement. The true outer diameter is 0.84 inch, which is larger than 1/2 inch. Always confirm your pipe size and thread specifications before purchasing to ensure a proper fit.Float Rate:1.3 gallons per minute (gpm) @40 psi1.5 gallons per minute (gpm) @60 psiPlease 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