Standard vials for GC and HPLC applications. USP Type 1 "neutral" Borosilicate Glass material provides higher quality material that is more resistant to thermal 

Lilium Laboratory Equipment and Supplies Inc. 20mL Crimp-Top HeadSpace Vial – Flat Bottom – Clear 22.5*75.5 mm – USP type 1 [100 pieces].

20mL Clear, Crimp Neck Headspace Vial, ND20 Flat Bottom, 22.5x75.5mm, USP type 1, 100/pk, CV2033. Free Samples Available, Stock Ships in One Business Day, 

Headspace vial made from 1st hydrolytic class glass and is available in Crimp neck vial, N 20, 23.25x75.5 mm, 20.0 mL, flat bottom, flat neck, amber.

20mL Crimp-Top HeadSpace Vial - Flat Bottom - Clear 22.575.5 mm [100 pieces]: mm - USP type 1 Crimp Top HeadSpace Vial Volume: 20 mL Bottom: Flat Size: ...

Worldwide Glass Resources Headspace Vials - Manufactured from Type 1 finish and 18mm screw thread - Radius (Rounded) bottom or flat bottom styles ...

Our headspace vials are manufactured from Type I borosilicate glass for durability, heat resistance and low extraction. Available in either clear glass or amber 

From start to finish, Verex™ vial and cap products are 33-Expansion clear glass (USP Type 1 borosilicate, Class A) and ... Flat Bottom Shell Vials.

These headspace vials are made of superior quality 1st hydrolytic class glass (Type 1) and have a thicker glass wall to withstand higher temperatures and