What is a Luer?
Luer is an abbreviation for what is commonly referred to as a Luer Taper. Luer Taper is a system of tapers used for making leak-proof connections between a male-taper fitting and its mating female part on medical and laboratory instruments, including hypodermic syringe tips and needles or stopcocks and needles. Popper tapers are manufactured to ISO 594 standards.