Choice of borosilicate glass or polypropylene Snap plug closure available in natural polypropylene Purchase vials and caps separately or together in convenience packs Polyethylene snap plug caps feature a starburst top for easier needle penetration

Wheaton headspace vials accept 20 mm aluminum seals Rounded shoulders and bottoms, allowing for even heating and safer operation at higher pressures Manufactured from Type I borosilicate glass Top provides a tighter seal with your septa O.D. x Height: 22 x 38 mm Capacity: 6 mL