0.5mL蛋白低吸附螺帽管，管盖一体（莎斯特)，袋装灭菌，透明管体+透明盖子，100个/袋,1000套/箱

0.5mL protein low-binding screw-cap tube, integrated cap (Sartstedt) , Sterile, packged, transparent tube body + transparent lid, 100 tips/pack, 1000 sets/case