3L Wide-mouth High Efficiency Erlenmeyer Flask Bi-directional Transfer Cap with TPE Tube (50cm 1/8" ID 1/4" OD), Vent Filter (0.22 μm), without Flask, Sterile, 1/pk, 4/cs - C10322-AZB050B Injection Pens 5 per sterile pack

5 per sterile pack

1 mil they strike just the right balance between being thick enough to offer protection without being so thick you can't feel what you are doing

Not sure if Nest sealing mats are right for your needs

They can accommodate 8 or 12 channel designs

3L Wide-mouth High Efficiency Erlenmeyer Flask Bi-directional Transfer Cap with TPE Tube (50cm 1/8" ID 1/4" OD), Vent Filter (0.22 μm), without Flask, Sterile, 1/pk, 4/cs - C10322-AZB050B Injection Pens 5 per sterile packThis is the transfer cap only, shaker flasks are sold separately Product features: 1 cap per double wrapped sterile bag 4 caps per case Single piece injection molded cap no gaps for leakage Attached thermoplastic elastomer (TPE) tubing TPE tubing supplied by St. Gobain Heat sealable, compatible with most brands of heat welding machines 50cm long external TPE transfer tube 1 8 " Internal diameter 1 4" External diameter No connectors included, external