Closures for 2mL hplc Vial. Ref.No: P/N: Description: C0000143. 9-SP3002-2A. Blue 9-425 Open Top Ribbed Screw Cap with 9mm Red PTFE/White Silicone Septa 1mm Thick. 100pcs/pk. C0000145. C0000145. Blue 9-425 Open Top Ribbed Screw Cap with 9mm Red PTFE/White Silicone Septa 1mm Thick 60° Shore A. 100pcs/pk. C0000146. 9-SP3003-2A