1.25 inch GI Barrel Nipple (B Class)-1-1/4 inch X 4 inch

A GI (Galvanized Iron) Barrel Nipple is a type of pipe fitting used in plumbing and piping systems.

Here’s what each part of the term means.

Galvanized iron is iron or steel that coated with  layer of zinc to protect  from corrosion,rusting.

GI fittings  commonly used in plumbing systems,water supply lines,corrosion resistance is important.

Barrel Nipple: A barrel nipple is a short length of pipe with threads at both ends.

The term “barrel” refers to  cylindrical shape, resembling the barrel of gun or barrel of oil.

Nipples are available in various lengths and diameters to different piping needs.

A GI barrel nipple would typically have threads at both ends to allow for easy connection to fittings or pipes in the plumbing system.