20 Ml Vials, Caps & Septa. ₹ 15/ Set Get Latest Price. Specifications: - 2 ml/1.8 ml Screw Top Vials having Black Screw Cap & PTFE Septa (8 mm). - 1.5 ml Screw Top vials having Blue Screw Cap & PTFE Septa (9 mm). - 2 ml / 1.8ml Crimp Top Vials with 11mm Aluminum Crimp Cap & Septa. - 20 ml Vials with 20 mm Aluminum. View Complete Details.