Model Functional Lung Apparatus, unique and easy-to-use model features parts that replicate the actions of respiration, Easy to Assemble, includes an acrylic bell jar, Y tube, two balloons, rubber diaphragm with a knob for ease of movement, and an instruction manual
Strong plastic aspirator for vacuum filtration and other lab applications, Designed to prevent any flooding, back-flow, or turbulence. Includes 5.9IN (15 cm) hose, The top nozzle has an outer diameter of 1.5 cm