5L High Efficiency Erlenmeyer Flask with Bi-Directional Transfer Cap ,TPE Tube (90cm 1/8" ID 1/4" OD), Heat seal,Vent Filter (0.22 μm 4.5cm²), Sterile, 1/pk, 4/cs
5L High Efficiency Erlenmeyer Flask with Bi-Directional Transfer Cap ,TPE Tube (90cm 1/4" ID 3/8" OD), Heat seal ,Vent Filter (0.22 μm 13.8cm²),1/pk, 4/cs