少妇被躁爽到高潮无码麻豆AV,CHINESE性内射高清国产,18禁无遮挡无码啪啪网站,娇小TEEN乱子伦精品,国产欧美日韩精品a在线看,亚洲国产一区二区三区在线观看,精品美女久久久久,琪琪电影午夜理论片八戒八戒

Home Pipe Type Serological pipettes Serological Pipettes

Serological Pipettes

Features

※ Polystyrene (PS) material with high transparency
※ Clear tube scale for easy capacity reading
※ No DNA enzyme, no RNA enzyme, no pyrogen
※ Liquid transfer for tissue culture, clinical, biochemical and other experiments

Order Information