Aluminum Heavy-Duty 4" NH / NST 45 Degree Elbow Female Threads_NYFD You should end with the

You should end with the nozzle end on top and a female coupling on the bottom

Quarter turn sexless head design (1 1/2 inch QT fitting will mate with 1 inch QT or 3/4 inch QT) For use up to 300 PSI

This tool will eliminate disturbing the landscaping or damaging objects in the waters path

These caps will fit the most common Fire Department Connection (FDC) which has 2 1/2" NH / NST threads

Collar screws take a 5/16 inch allen wrench

Aluminum Heavy-Duty 4" NH / NST 45 Degree Elbow Female Threads_NYFD You should end with theElbows are used on pump discharge valves or suction inlets to minimize hose kinking. Should also be used when flushing hydrants or other water systems to protect the inner liner of the discharge hose from water pressure or debris damage.