Tank (bulkhead) mount. Heavy duty non corrosive. 3/8" MIP inlet and outlet. For use with 3" or 6" x 1/4" stainless steel rod and 4" x 5" float ball. Replaceable seals are made of long wearing, chemical resistant Santoprene rubber. Bodies made of NSF approved PVC. Hardware made with 18-8 stainless steel. 0.187" Orifice with an estimated flow rate of 4.4 gpm at 20 psi and 7.2 gpm at 60 psi. Extended threads on the inlet side of the valve for mounting through a tank wall. Comes complete with sealing washer and jam nut.