国产精品人人妻人人爽麻豆-97色网-欧美一级在线免费观看-超碰97人人做人人爱可以下载-亚洲影视一区二区三区-综合亚洲桃色第一影院-深爱婷婷-亚洲免费在线观看视频-日韩精品午夜-91高潮大合集爽到抽搐-久久国产劲爆∧v内射-百度-久久精品午夜一区二区福利-亚洲女人的天堂www-日韩视频精品-3p视频在线观看

Low pressure three-way valve
The low-pressure three-way valve is suitable for low-pressure manual wet sampling. The injection volume is not limited, but it is affected by the pressure. If the back pressure is too high, the injection will be difficult.
Online Buy

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;


Related to recommend
Online WeChat Phone 010-59812370/1/2/3 Customer TOP
Message