2 ®VWR AUTOSAMPLER VIALS, INSERTS, AND CLOSURES | PLACE YOUR ORDER TODAY AT VWR.COM, OR CALL 1.800.932.5000 VWR® Autosampler Vials, Inserts and Closures - the complete line of VWR vials for Vial choices include: Crimp Top, Snap Top, and Screw Top vials with a selection of closures.