Fire Hose Adapter, Fitting Connection Type NH x Storz, Fitting Gender Female x Genderless, Fitting Material Aluminum x Aluminum, Fitting Movement Rigid, Fitting Shape Straight, Fitting Size 4 1/2 in x 4 in; 4 1/2 in x 5 in, Tightening Method Rocker Lug, Compatible Pipe Size 4 1/2 in, Finish/Coating Hard Coated, Hose Fitting A Connection Type NH, Hose Fitting A Gender Male, Hose Fitting A Size 4 1/2 in, Hose Fitting B Connection Type Storz, Hose Fitting B Gender Genderless