2L High Efficiency Erlenmeyer Flask Bi-directional Transfer Cap with TPE Tube (50cm 1/4" ID 3/8" OD), Vent Filter (0.22 μm), without Flask, Sterile, 1/pk, 4/cs - C10123-BZC050B TC Treated Not sure if Nest Cryogenic

Not sure if Nest Cryogenic Vials are right for your needs

For 2mL plates

Compare to Thermo Fisher #97002534

Vented cap for sterile gas exchange

connectors not included

2L High Efficiency Erlenmeyer Flask Bi-directional Transfer Cap with TPE Tube (50cm 1/4" ID 3/8" OD), Vent Filter (0.22 μm), without Flask, Sterile, 1/pk, 4/cs - C10123-BZC050B TC Treated Not sure if Nest CryogenicThis 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