3-Layer GC Septa, 200°C, laminated Silicone Rubber, ø 6,35 mm, 3.81 mm thick, 12 pc/PAK $15.00 sku: HT76001 Aijiren Technologies No-Stick Adv Green Inlt Septa 11 mm diameter, 100 pc/PAK $179.00 sku: AG -100 Aijiren Technologies Non-Stick BTO Septa, 11,5mm, 50 pc/PAK $110.00 sku: AG8010-0225 Restek