Kerick Valve MA052 PVC Mini Float Valve, Tank Mount, Adjustable Arm, 1.5 gpm at 60 psi, 1/2" NPT Male Estimated rate of flow up to 1.5 gpm at 60 psi PVC for corrosion resistance Tank mount with extended threads on inlet side of valve for mounting through tank wall Includes 1.5x4" float ball attached to adjustable valve shutoff arm 1/2" NPT male threaded inlet and free-flow outlet