Fire Hose Adapter Fitting Connection Type NH x NH Fitting Gender Female x Female Fitting Material Aluminum x Aluminum Fitting Movement Swivel Fitting Shape Straight Fitting Size 2 1/2 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 NH Hose Fitting A Gender Female Hose Fitting A Size 2 1/2 in Hose Fitting B Connection Type NH Hose Fitting B Gender Female Hose Fitting B Size 2 1/2 in