亚洲成人一区-成人免费看片视频-av第一页-久久久美女-中文字幕精品一区久久久久-欧美一级色-日韩黄色免费视频-青青草手机在线-欧美专区一区-久久99久久精品-99精品视频在线观看免费-国产精品一区二区av日韩在线-一区二区三区免费在线-涩涩视频软件-一本色道久久88综合日韩精品

Product features:

1. The international standard 1 / 4-28 thread can be directly connected to the luer connector interface, and the syringe can be used for arbitrary injection;

2. The contact material with liquid is PTFE, which is resistant to organic solvent and has good compatibility;

3. Imported from Britain to ensure product quality;