Fire Hose Adapter, Fitting Connection Type NPSH x NH, Fitting Gender Female x Male, Fitting Material Aluminum x Aluminum, Fitting Movement Rigid, Fitting Shape Straight, Fitting Size 3 in x 2 1/2 in, Tightening Method Rocker Lug, Compatible Pipe Size 2 1/2 in, Finish/Coating Hard Coated, Hose Fitting A Connection Type NPSH, Hose Fitting A Gender Female, Hose Fitting A Size 3 in, Hose Fitting B Connection Type NH, Hose Fitting B Gender Male, Hose Fitting B Size 2 1/2 in, Thread Type NPSH x NH