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