IV (intravenous) infusion set

Tubing: The long, flexible tube is the main component, used to deliver fluids or medications directly into the bloodstream.

Needle: The smaller, needle-like end connects to the patient's vein.

Roller Clamp: The red clamp is used to control the flow rate of the fluid.  

Drip Chamber: The transparent chamber allows for visual observation of the fluid flow rate.