BIRR Round Bottom Tube 5 mLBIRR Round Bottom Tube 5 mL Round Bottom Tube 5 mL intended use is for short storage of culture media, density gradients or cell culture oil (days), collection of follicular fluid (e. g. oocyte collection procedure), processing of semen samples (e. g. swim up technique) and short storage of processed sperm cells. Features: Class IIa sterile Medical Device according 93 42 EEC Directive Manufactured by BIRR in EU IVF specific design Non pyrogenic