Lophtnix 2PCS 304 Stainless Steel Hose Barb Fitting Thru-Bulk Bulkhead Straight Hex Union 5/16" Barbed x 5/16" Barbed with 4PCS Hose Clamp 

• Bulkhead union coupling for connecting two hoses with the same diameter in a straight run.
• Made of 304 stainless steel, corrosion resistance, ductility at high temperatures, and low magnetic permeability.
• The joint of two openings are two thick hexagons that form bulkhead tank function.
• Barbed fitting creates a tight seal on flexible and semi-rigid hose when used with a hose clamp or crimp sleeve or ferrule. 
• Temperature range from -40 to +150 degrees F.

This fitting The accessory is made of 304 stainless steel, which has low temperature resistance, high temperature ductility and low magnetic permeability.to create a tight seal on a hose when used with a hose clamp(included) or crimp sleeve or ferrule . Hose fittings connect, control, change the direction of, and terminate the flow in piping and hose systems.