250 mL Erlenmeyer Flask Bi-directional Transfer Cap with Silicone Tube (50cm 1/8" ID 1/4" OD), Male Luer Lock Connector with Luer Cap, Vent Filter (0.22 μm), without Flask, Sterile, 1/pk, 4/cs - C30921-EFC050B Medical Supplies 5 cm² surface area

5 cm² surface area

Transparent PET inserts provide high optical clarity

compatible with most brands of heat welding machines

tubing comes heat sealed to ensure sterility

Not sure if Nest sealing mats are right for your needs

250 mL Erlenmeyer Flask Bi-directional Transfer Cap with Silicone Tube (50cm 1/8" ID 1/4" OD), Male Luer Lock Connector with Luer Cap, Vent Filter (0.22 μm), without Flask, Sterile, 1/pk, 4/cs - C30921-EFC050B Medical Supplies 5 cm² surface areaThis 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