The MTC Bio T9020 5mL FlowTubes without Cap, Non-Sterile, 12 x 75mm, Bulk Package, Pack of 4000, are made of crystal clear polystyrene and designed for Fluorescence Activated Cell Sorting/ flow cytometry equipment, including FACS systems from BD Biosciences. These tubes are primarily used to collect dissociated sample for subsequent processing in automated flow cytometry instruments.

The diameter and wall thickness of the tube's neck is held to very tight tolerances to ensure consistent compatibility with the automated instrument. The tubes are not supplied with caps.