Shaoxing ALWSCI Technologies Co.,Ltd is one of the leading China 8-425 screw thread caps with septa manufacturers and suppliers,Website:http://www.alwsci.com, welcome to wholesale cheap 8-425 screw thread caps with septa, ptfe liner from us.FEATURES:1. Septa and slit septa are available.2. Normal Available cap color is Black, other special colors can be also produced.3. Pre-assembled caps and septa are convenient and minimize contamination from handling.4. Phenolic caps can be autoclaved.