Fire Hose Adapter, Fitting Connection Type NH x NH, Fitting Gender Female x Male, Fitting Material Brass x Brass, Fitting Movement Rigid, Fitting Shape Straight, Fitting Size 3/4 in x 2 1/2 in, Tightening Method Pin Lug, Compatible Pipe Size 3/4 in, Hose Fitting A Connection Type NPT, Hose Fitting A Gender Female, Hose Fitting A Size 3/4 in, Hose Fitting B Connection Type NH, Hose Fitting B Gender Male, Hose Fitting B Size 2 1/2 in, Thread Type NH x NH