This is a Pentair Sta-Rite Cast Iron Single Pipe Jet Assembly Kit for Sta-Rite Well Jet Pumps. It is made of rugged cast iron metal. Package contents: Jet assembly, o-rings, packer seals.
Measurements: 1-1/4 inch male, 1 inch female taps, 2 inch packer jet assemblies. Packer jet assemblies drop into a 2 inch well case for deep-well use.