Vials and Caps Caps and Seals Cap, blue, Screw, bonded preslit PTFE/Silicone Septa, 2 ml, 1,000 pc/PAK Pictures may differ from the original Please note that this product is sold and shipped only to end users. to the manufacturer Aijiren Technologies Cap, blue, Screw, bonded preslit PTFE/Silicone Septa, 2 ml, 1,000 pc/PAK