Fire Hose Adapter, Fitting Connection Type NPT x NST, Fitting Gender Male x Female, Fitting Material Brass x Brass, Fitting Movement Swivel, Fitting Size 1 1/2 in x 2 1/2 in, Tightening Method Pin Lug, Compatible Pipe Size 1 1/2 in, 2 1/2 in, Hose Fitting A Connection Type NPT, Hose Fitting A Gender Male, Hose Fitting A Size 1 1/2 in, Hose Fitting B Connection Type NST, Hose Fitting B Gender Female, Hose Fitting B Size 2 1/2 in, Thread Type NPT x NST WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov -