2L High Efficiency Erlenmeyer Flask with Bi-Directional Transfer Cap ,TPE Tube (50cm 1/4" ID 3/8" OD), Heat seal,Vent Filter (0.22 μm 13.8cm²), Sterile, 1/pk, 4/cs
3L High Efficiency Erlenmeyer Flask with Bi-Directional Transfer Cap ,TPE Tube (50cm 1/8" ID 1/4" OD), Heat Seal,Vent Filter (0.22 μm 4.5cm²), Sterile, 1/pk, 4/cs
Multifunctional Transfer Cap for 2L High Efficiency Erlenmeyer Flask ,TPE Tube (52cm 1/8" ID 1/4" OD) ,Heat Seal, a Sampling Nozzle, Vent Filter (0.22 μm 20cm²), Sterile, 1/pk, 4/cs