Description: wide range of applications.frequently used for clarifying liquids Areas of use include the food industry, agriculture, air pollution monitoring, and etc. Widely used in education for teaching simple qualitative analytical separations washed filter papers, extremely high , ash content less than 0.0009% High quality and Brand new Specification: Material: Paper Color: White Diameter: Approx.7cm/2.76 inch : 1-3um Package Includes: 100 Pieces Filter Papers

7cm Quantitative Filter Paper Ashless Round Filter Paper Circular Filter Paper