The cell strainer are manufactured with a resistant nylon mesh with evenly spaced and gamma ray resistant mesh pores. These cell strainers are sterile, fast and easy-to-use devices for isolating primary cells to consistently obtain a uniform suspension of individual cells from tissues. To protect your valuable flow cytometry and cell sorting instrumentation by reliably removing lumps and debris from cell suspensions and clinical samples before analysis. Individually packaged. Sterilized by radiation. Non pyrogenic.