The Impinger Midget Air Sampler Bubbler helps collect airborne contaminants. It works by bubbling air through a trapping solution, capturing particles. Its compact size and efficient performance make it ideal for field sampling, and it is made from durable, chemically-resistant materials to ensure sample accuracy. The Impinger Midget Standard Tip, Air Sampler bubbler, is made of Borosilicate Glass 3.3. These Impingers are designed to collect airborne hazards into a liquid medium and are used as personal air samplers to measure airborne concentrations. P.S. Image(s) are representative of the product group and not necessarily the individual product. Packing: 1Pc/Pk Item Code Capacity (ml) Pcs/Pk 18.00.0430IMP 35 ml 1 18.00.0431IMP 50 ml 1 18.00.0432IMP 80 ml 1 18.00.0433IMP 100 ml 1 18.00.0434IMP 150 ml 1 18.00.0436IMP 200 ml 1 18.00.0435IMP 240 ml 1