Feature Color: White Material: Paper. Dia: 11cm/ 4.33 inch. A pack of 100 PCS. Flow: Medium. Excellent performance: Our neutral qualitative filter paper has a medium flow rate and a good particle retention rate. The qualitative filter paper can separate coarse and gel- precipitates from the solution to suitable performance. Good compatibility: Our filter paper has good compatibility and is suitable for most filter funnels on the market. It fits perfectly with the test equipment and has no bubbles, making your filtration test more perfect. Portable: Our qualitative filter paper is small in size, light in weight, and easy to carry. You can carry it with you, which is very convenient for experiments and tests. Premium Materials: Our filter paper is made of high- quality pulp, non- toxic,, environmentally friendly, durable, you can use it safely, with and excellent workmanship. Suitable for general chemical applications. Wide range of applications: Our filter paper is often used in the laboratory to determine fat content, extract solids and clarify liquids. an excellent clarification filter for turbid suspensions, water and soil analysis. Package Including 1* Filter Paper