It was a good match for his budget and his specs, but he needed to modify some of the 3D printed parts a little to fit the larger syringes he intended to use. The base is aluminum extrusion ...

The basic idea involves blocking the end of a syringe, and then pull the plunger to create a vacuum in the tube. When released, the plunger will rush forward from the atmospheric pressure ...

aluminum hydroxide adsorbed; preservative-free. Ped/Adolescent 5mcg/0.5mL: single-dose vials (yellow cap), single-dose prefilled syringes (yellow plunger rod)—10; Adult 10mcg/1mL: single-dose ...