VWR autosampler vials, inserts, and closures400 µl Flat Bottom Insert Clear – 6 x 31 Flat Bottom 500 µl 450 µl VWR autosampler vials, inserts, and closures 400 µl Flat Bottom Insert Clear – 6 x 31 Flat Bottom 500 µl 450 µl 25 1000 548-0001 548-0028 548-0029 548-0030 548-0440 548-0002 548-0001 548-1524 VWR ® AUTOSAMPLER VIALS, INSERTS,