100/500/1000PCS 10ml Glass Vials Sample Vials w/20mm Crimp Top Clear Flat Bottom
100pcs 10ml Headspace Vials+ 100pcs 20mm Crimp Top. Clear glass vials with 20 mm crimp seal finish are designed to fit most headspace autosamplers. Flat bottom maximizes heating efficiency. 500pcs 10ml Headspace Vials+ 500pcs 20mm Crimp Top.

