2ml HPLC Screw Vials digawe saka bening\/ amber, Tipe I borosilicate lan 33 expansion glass.2ml Amber HPLC Screw Vials karo desain thread unik mesthekake segel konsisten lan bisa digunakake maneh, ora molah malih, gampang kanggo nggunakake, Ngurangi kemungkinan mbengkongaken utawa bejat jarum sak sampling.