2 1/2 in. NH (NST) x 4 in. NPT Auto Sprinkler Single Clapper Siamese Connections- Back Outlet Manifold
2 1/2 in. NH (NST) x 4 in. NPT Siamese connection clapper Auto Sprinkler Single Clapper Siamese Connections Bottom Outlet Manifold
2 1/2 in. Male NH (FNST) x 4 in. NPT FM Approved Brass Fire Protection Siamese Connections Bottom Outlet Manifold
FFE150T Cast Brass Fire Equipment Elbow, 1-1/2″ NPT Female x 1-1/2″ NST Male Continuous Swiveling Elbow, Brass Fire Elbow, Storz Coupling
FFE014 2-1/2″ NST (NH) Female X 2-1/2″ NST (NH) Male Brass Fire Equipment 90 Degree Angle And Suction Elbow With Rocker Lug
FFA8521039 2-1/2″ NST (NH) Female X 1-1/2″ Male Fire Hydrant Adapter Brass Hose Reducer With Pin Lug Brass Fire Equipment
FFE09 1-1/2″ FNPT X 1-1/2″ MNH NFPA Standard Forge And Cast Brass Fire Equipment Continuous Swiveling Elbow 90° Swivel Elbow