Description Designed for precision, this qualitative filter paper ensures filtration, maintaining sample purity for chemical analysis and laboratory testing. Its round shape fits seamlessly into funnels, making it ideal for flow testing and oil analysis. With stable physical properties, it resists tearing and deformation, simplifying experiments and enhancing efficiency in scientific research. Features -Color:White -Material:Paper -Size:15.00X15.00X0.01cm/5.89X5.89X0.00in -Size:11.00X11.00X0.01cm/4.32X4.32X0.00in -Size:9.00X9.00X0.01cm/3.54X3.54X0.00in -High filtration efficiency: designed for chemical analysis and laboratory filtration, this qualitative filter paper ensures high purity of samples, meeting professional testing needs -Versatile application: ideal for chemical testing, oil testing, and water treatment, these round laboratory filter paper sheets are suitable for various scientific and industrial uses -Durable and reliable: with stable physical properties, this laboratory filter paper resists tearing and deformation, ensuring smooth and accurate experimental processes -Fast flow design: the filter paper allows rapid liquid penetration, reducing testing time and improving overall laboratory efficiency -Easy to use: these round funnel filter papers are simple to handle and clean, streamlining your workflow and minimizing postexperiment cleanup effortsPackage list: 100 x Round Qualitative Filter Papers 9cm 100 x Round Qualitative Filter Papers 11cm 100 x Round Qualitative Filter Papers 15cm