Duo Click round bottom culture tubes feature a two-position screw cap closure for aerobic and anaerobic culturing.
Rotate the cap a quarter turn to lock the cap partially or a half-turn to completely seal the tube.
Duo Click round bottom culture tubes are available in 5mL and 14mL, either polypropylene or polystyrene.
Duo Click round bottom culture tubes can be packed in bulk, individually wrapped and even racked!