Intravenous (IV) administration kits, namely, infusion sets; blood administration sets comprised of infusion pumps, medical tubing for administering fluids to patients, stopcocks for infusion of fluids, and blood filters; anesthesia sets comprised of stopcocks for infusion of fluids, manifolds, and valves; extension sets comprised of stopcocks for infusion of fluids, manifolds and valves for medical purposes.