500/1000PCS 10ml Glass Vials Headspace Sample Vials w/ 20mm Crimp Top (Optional)
Cap Type : Crimp Top, Headspace. These vials are made of borosilicate glass of uniform thickness, flat bottom for even heat distribution,resistant to high and low temperatures. A 20mm vial crimper（Not Provided） is required to fully seal the aluminum cap.
200pcs 10ml Vials Glass Clear with Plastic-Aluminum Caps and Rubber Stoppers USA
A 20mm vial crimper（Not Provided） is required to fully seal the aluminum cap. High-Quality Materials: These sample vials are made of quality borosilicate glass that is more resistant to thermal shock (Temperature range: -4℉ to 932℉).