Flat base vials maximize heating efficiency in manual headspace sampling and are required for use in some instrument models. The bevel edge on a vial lip 

High Quality headspace vials with a beveled neck for a secure seal, uniform glass thickness for even heat distribution and a stable, strong design for ease 

The style and diameter of headspace vials depend on the autosampler. Beveled finish vial reduces the amount of sealing surface between the crimp seal and the 

Bevel-finish headspace vials are available in 6mL, 10mL, and 20mL sizes. Screw-finish vials See QEC's selection of headspace seals with inserted septa.

WHEATON® Crimp Top Headspace Vial, Flat Bottom, Beveled Finish, 10 mL Purchase vials separately or together with seals in convenience packs.

The crimp top vials are offered with a beveled top or a flat top. The flat top crimp finish has more surface area providing a tighter seal when the vial is 

High quality headspace vials have a bevelled neck for a secure seal, Use with the 20mm headspace caps, septas and seals. ... View Complete Details.

Worldwide Glass Resources Headspace Vials - Manufactured from Type 1 Amber - Finishes available in 20mm standard crimp seal or beveled finish and 18mm ...

Aijiren Headsapce vial for Compatible Systems,Wide range of vial and caps,for example 6ml Headspace vial,10ml Headspace vial,20ml Headspace vial,top quality