aijiren Technology lab vials for HPLC sampling with high quality HPLC sampling Equipment|Environmental XPRT 2ml lab vials for HPLC autosampler VIALSIncluding:100pcs Clear/aijiren bottles 32x11.6mm made of borosilie glass,2ml lab vials 9-425 screw thread,Flat base Sample Vials; Made out of USP TYPE I Glass.With writing patch for pencil mark.