Carbon Steel 1 1/2" NPT to 1 1/2" NPT Double Male Couplings_Aluminum Steel king combination nipple is

Steel king combination nipple is recommended for low-pressure discharge and suction service for compatible liquids

In addition

The Milwaukee Shoulder Strap can be attached to the end carry handles for a one person shoulder strap

Hose comes pre-folded and is for emergency fire fighting only

These extinguishers contain specially fluidized and siliconized mono ammonium phosphate powder

Carbon Steel 1 1/2" NPT to 1 1/2" NPT Double Male Couplings_Aluminum Steel king combination nipple isCarbon Steel male National Pipe Tapered (NPT) to male National Pipe Tapered (NPT) fitting. Made from schedule 40 welded pipe. Do not use pipe nipples as hose inserts.