4 mouth glass bottles with blue screw caps(GL45 thread)) Swedish design Borosilicate glass material Volume of 1000 ml Covered with blue In the present HPLC laboratory, laboratory assistant to save time, most time directly into the fluid pipe and a number of filters placed in the same solvent bottle, that the bottle cap can not be properly used. If everything is done according to procedures, the laboratory assistant should remove the filter, the tube into the liquid extract from the original cap on the bottle and then insert a porous, and then re-plug the filter, after the next into the Repeat the process fluid tube into the liquid until all the tubes are inserted with a porous lid. Long the whole process cumbersome, due to direct contact with the filter so that the risk of pollution, while the other also will enter into the liquid tube to remove air bubbles before the next step.
and there are also five neck and three neck,need more information please contact us!