"Product Description: â? Model Number: HM-4447 â?¡Packaging Details:100 pieces in 1 pack (Min. Order) â?¢Material: black open-topped cap and white PTFE/red silicone septa (8-425 screw thread cap and septa (assembled)) (Φ8mm) â?£Matching accessories Matching vial/bottle/tube: HM-4426, HM-4428, HM-4428H, HM-4427, HM-4425, HM-4425H, HM-4429, HM-4429H, HM-4431, HM-4431H Matching cap with septa (assembled): N/A Matching cap (separated): N/A Matching septa (separated): N/A Matching insert: N/A Matching crimper and decapper: N/A â?¤Fits for Shimadzu: SIL-6B, -9A, -8A, SI:-10A, 10Ai, 10Axl Perkin Elmer: Autosystem GC, 420/B, 4900 Varian: 8100/8200, 8035, 8000 Series, Mararthon, 8055/8085, 9100/9090/9095, 3800GC â?¥Optional: Customized color For more details, please feel free to contact us. Bei Hu, from Ningbo Excellent New Material Co., Ltd."