Home » News » Vials Septa » PTFE and silicone hplc vial septa with caps UK I pre-slit vial septa with screw cap Waters-Aijiren HPLC Sample Vial Caps&Septa, Pre-slit Blue PTFE/White silicone septa+ Blue screw cap with hole, for 2ml 9-425 screw vial Packaging: 100 (pcs) Price($): 14.99 Description Specifications Thickness 1.0±0.15 Hardness 45 ±5