3L High Efficiency Erlenmeyer Flask Bi-directional Transfer Cap with TPE Tube (50cm 1/8" ID 1/4" OD), Vent (0.22 μm), without Flask, Sterile, 1/pk, 4/cs - C10222-AZB050B Medical Supplies Nest Scientific part 314012

Nest Scientific part 314012

They are "high efficiency" in that a 2L flask has 162mm diameter footprint

NEST Scientific 506002

As a result

Adjustable vacuum settings help control bubble formation

3L High Efficiency Erlenmeyer Flask Bi-directional Transfer Cap with TPE Tube (50cm 1/8" ID 1/4" OD), Vent (0.22 μm), without Flask, Sterile, 1/pk, 4/cs - C10222-AZB050B Medical Supplies Nest Scientific part 314012This is the transfer cap only, shaker flasks are sold separately Nest Scientific aseptic transfer caps allow for the convenient transfer of liquid in and out of Erlenmeyer flasks which greatly reduces the risk of contamination. The cap comes with pre assembled tubing, connectors and gas exchange filters for convenience. This model is described as bi directional, as it allows for the movement of liquid in and out of Erlenmeyer flasks by positive or