Best Qualitative Lab Filter Paper of 2025

Eisco Filter Paper is a pack of 100 high-quality qualitative filter papers designed for laboratory use. With a pore size of 10μ (micron), it provides efficient filtration for a wide range of applications. The medium speed (85 gsm) ensures fast filtration without compromising the accuracy of the results. The pack of 100 papers offers great value for money and ensures that you always have an ample supply on hand. The Eisco brand is known for its reliability and the Premium Qualitative Filter Paper lives up to that reputation, delivering consistent and precise filtration results every time.

Eisco Labs Filter Paper is a high-quality qualitative lab filter paper designed for general laboratory filtering and qualitative analysis. With a diameter of 15cm, it provides ample surface area for efficient filtration. The 10µL pore size ensures excellent retentivity, allowing for precise separation of substances. The medium filtering speed of 85 gsm strikes a balance between filtration efficiency and speed. With a pack of 100 circles, you'll have an abundant supply for your laboratory needs. Eisco Labs Filter Paper is a reliable choice for any laboratory, offering convenience and accuracy for your filtering and analysis tasks.

StonyLab Filter Paper is a pack of 100 cellulose filter paper circles with a diameter of 94mm. These coarse filter papers are designed to remove particles larger than 20 µm, providing medium filtration speed of 35-70 seconds. With an ash content of ≤0.15%, these filter papers are highly efficient in filtering out impurities. They are compatible with the StonyLab Porcelain Buchner Funnel with a diameter of 100mm. The StonyLab Filter Paper is perfect for qualitative lab applications, allowing you to separate and analyze substances with ease. Its large diameter ensures sufficient filtration area, while the 20 micron particle retention provides reliable filtration. The medium filtration speed saves you time and ensures quick results. The low ash content ensures minimal interference in your experiments. With its compatibility with the StonyLab Porcelain Buchner Funnel, you can conveniently use it for filtration processes in the lab.

The Ahlstrom Qualitative Filter Paper is designed for routine separation tasks that demand high purity and reliable results. With over 95% refined a-cellulose and linter fibers, you can trust its quality for precise applications. This filter paper is ideal for both quadrant folded and gravity flow methods, making it versatile for various laboratory needs. Additionally, it has been specifically developed for the beer industry, featuring low iron and nitrogen content, which is essential for accurate protein analysis in beer production. This ensures you achieve consistent and dependable outcomes in your experiments.

The USA Lab Filter Paper features a qualitative classification, making it ideal for various laboratory applications. With a micron size of 11, this medium filter paper effectively captures finer particles, ensuring clearer results in your experiments. Its low ash content of no more than 0.15% guarantees minimal contamination, which is essential for accurate measurements. Additionally, each pack contains 100 sheets, providing you with a convenient supply for your lab needs, so you can focus on your work without frequent restocking.

The Whatman Qualitative Filter Papers are designed for laboratory use, featuring a diameter of 4.25 cm, making them easy to handle and fit into standard lab equipment. With a pore size of 11 microns, these papers efficiently filter out unwanted particles, ensuring your results are accurate and reliable. Each pack contains 100 papers, providing you with ample supply for various experiments. This convenience allows you to focus on your work without worrying about running out of materials.

The Ahlstrom Filter Paper is designed for precise quantitative analysis in the lab. With a low ash content of just 0.06 percent, you can trust that your results will be accurate and reliable. This paper is untreated yet offers high wet-strength, ensuring durability even in challenging conditions. You will appreciate its consistent performance, which helps you achieve repeatable results in your experiments. Additionally, the custom cut feature allows for flexibility in your applications, making it easier for you to work efficiently and effectively in any lab setting.

The zenpore Filter Paper is designed for efficient laboratory use, featuring a standard 9cm diameter that matches Whatman qualitative grade 4. Its fast pre-filter capability allows you to quickly clean biological samples and organic extracts, saving you valuable time in your experiments. If you're into wine making, this filter paper is ideal for filtering musts, ensuring a clear and refined product. Additionally, it boasts high air flow collection, making it effective for capturing large particles in fast-moving air or fumes, which enhances the safety and accuracy of your work.

The USA Lab Filter Paper offers reliable qualitative filtration with a micron size of 20, making it ideal for various laboratory applications. With low ash content of less than 0.15%, you can trust that your results will be clean and accurate. Each pack contains 100 sheets, providing you with ample supply for multiple experiments or projects. This product is designed for efficiency, allowing you to achieve faster filtration without compromising quality, ensuring that you can focus on your work without interruptions.

The Eisco Filter Paper is a reliable choice for laboratory use, coming in a convenient pack of 100 sheets. With a pore size of 10 microns, this qualitative filter paper effectively separates substances, making it ideal for various filtration tasks. Its medium speed allows you to filter liquids efficiently without sacrificing clarity. This product is designed for ease of use, ensuring that you can focus on your experiments without worrying about the filtering process. Whether you're in a professional lab or conducting experiments at home, this filter paper meets your needs with quality and convenience.