--- product_id: 148565407 title: "StonyLab Qualitative Filter Paper Circles, 46mm Diameter Cellulose Filter Paper with 20 Micron Particle Retention Medium Filtration Speed, Pack of 100" price: "€ 19.83" currency: EUR in_stock: true reviews_count: 13 url: https://www.desertcart.be/products/148565407-stonylab-qualitative-filter-paper-circles-46mm-diameter-cellulose-filter-paper store_origin: BE region: Belgium --- # 46mm diameter precision 20 micron particle retention 35-70 sec medium filtration speed StonyLab Qualitative Filter Paper Circles, 46mm Diameter Cellulose Filter Paper with 20 Micron Particle Retention Medium Filtration Speed, Pack of 100 **Price:** € 19.83 **Availability:** βœ… In Stock ## Summary > πŸ”¬ Elevate your lab game with precision filtration that never quits! ## Quick Answers - **What is this?** StonyLab Qualitative Filter Paper Circles, 46mm Diameter Cellulose Filter Paper with 20 Micron Particle Retention Medium Filtration Speed, Pack of 100 - **How much does it cost?** € 19.83 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.be](https://www.desertcart.be/products/148565407-stonylab-qualitative-filter-paper-circles-46mm-diameter-cellulose-filter-paper) ## Best For - Customers looking for quality international products ## Why This Product - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - β€’ **Reliable & Ready:** Pack of 100 with 1-year limited warrantyβ€”trusted durability for consistent, professional results. - β€’ **Micron-Level Clarity:** Retains particles larger than 20 microns, delivering crystal-clear filtrates every time. - β€’ **Precision Perfect Fit:** 46mm diameter ensures seamless compatibility with standard Buchner funnels for hassle-free filtration. - β€’ **Ultra-Low Ash Content:** ≀0.15% ash guarantees minimal residue, preserving sample purity and experimental integrity. - β€’ **Optimized Filtration Speed:** Balances speed and efficiency with a 35-70 second filtration window, saving valuable lab time. ## Overview StonyLab Qualitative Filter Paper Circles are 46mm cellulose filters designed for medium-speed filtration with 20 micron particle retention. Offering ultra-low ash content (≀0.15%) and a pack of 100, these filters ensure efficient, contamination-free separation ideal for diverse laboratory applications. Backed by a 1-year warranty, they deliver reliable performance trusted by professionals. ## Description StonyLab Qualitative Filter Paper Circles, 46mm Diameter Cellulose Filter Paper with 20 Micron Particle Retention Medium Filtration Speed, Pack of 100: desertcart.com: Industrial & Scientific Review: filter good ice cream also good..cigarettes bad - Buchner funnels are indispensable tools in chemistry laboratories, widely employed for vacuum filtration. One crucial component that enhances their efficiency is the paper filter. These filters play a pivotal role in the separation of solids from liquids, offering a range of benefits that significantly contribute to the success of various scientific experiments. Enhanced Filtration Efficiency One of the primary advantages of utilizing paper filters in Buchner funnels is the notable improvement in filtration efficiency. The porous structure of paper filters allows for the efficient retention of solid particles while facilitating the passage of liquid through the filter. This ensures a faster and more effective separation process, saving valuable time in the laboratory. Precise Particle Retention Paper filters exhibit a remarkable ability to retain particles of different sizes with precision. This is particularly important in experiments where the separation of specific particle sizes is critical. The controlled porosity of paper filters enables scientists to tailor their filtration processes according to the requirements of their experiments, ensuring accurate and reliable results. Reduced Risk of Contamination The use of paper filters in Buchner funnels helps minimize the risk of contamination in experimental samples. The high-quality materials used in manufacturing these filters, such as cellulose or glass microfiber, provide a clean and inert environment for the filtration process. This is especially crucial in sensitive experiments where even trace contaminants can skew results. Compatibility with a Variety of Substances Paper filters are versatile and compatible with a wide range of substances, making them suitable for diverse laboratory applications. Whether filtering aqueous solutions, organic solvents, or suspensions, paper filters exhibit stability and effectiveness across different chemical environments. This versatility makes them a go-to choice for scientists working with various substances in their research. Ease of Use and Convenience The simplicity of incorporating paper filters into Buchner funnels adds to their appeal. The filters are readily available, easy to handle, and require minimal preparation. This convenience not only streamlines laboratory procedures but also enhances the overall user experience. Researchers can focus on the scientific aspects of their work without being burdened by complicated filtration processes. Cost-Effectiveness From an economic standpoint, paper filters offer a cost-effective solution for laboratory filtration. Compared to some alternative filtration methods, the affordability of paper filters makes them an attractive choice for researchers working within budget constraints. This cost-effectiveness does not compromise the quality of results, making paper filters a practical and efficient option for a wide range of scientific applications. Conclusion In conclusion, the integration of paper filters into Buchner funnels brings about a myriad of benefits that significantly contribute to the success of laboratory experiments. From enhanced filtration efficiency and precise particle retention to reduced contamination risks and versatility across different substances, paper filters prove to be indispensable tools in the scientific toolkit. Their ease of use, cost-effectiveness, and overall convenience further underscore their importance in facilitating successful and reliable filtration processes in the realm of laboratory research. Review: Good product, will buy again - Filters worked very well. Filtered precipitated gold powder, it was very fine. Solution went in a brownish mud color, came out clear in the beaker after passing through the filter. It fit well, was true to its description. ## Features - Filter paper diameter: 46mm - Coarse cellulose filter papers remove particles > 20 Β΅m - Filtration Speed: 35 - 70 sec - Ash content: ≀0.15% - Warranty: 1-Year Limited Warranty ## Technical Specifications | Specification | Value | |---------------|-------| | Customer Reviews | 4.5 out of 5 stars 688 Reviews | ## Product Details - **Material:** Cellulose - **Brand:** stonylab - **Color:** 46mm Diameter - **Capacity:** 60 Milliliters - **Wide End Diameter:** 46 Millimeters ## Images ![StonyLab Qualitative Filter Paper Circles, 46mm Diameter Cellulose Filter Paper with 20 Micron Particle Retention Medium Filtration Speed, Pack of 100 - Image 1](https://m.media-amazon.com/images/I/51IEz9Ck40L.jpg) ![StonyLab Qualitative Filter Paper Circles, 46mm Diameter Cellulose Filter Paper with 20 Micron Particle Retention Medium Filtration Speed, Pack of 100 - Image 2](https://m.media-amazon.com/images/I/51XUTBEugXL.jpg) ![StonyLab Qualitative Filter Paper Circles, 46mm Diameter Cellulose Filter Paper with 20 Micron Particle Retention Medium Filtration Speed, Pack of 100 - Image 3](https://m.media-amazon.com/images/I/51Kfd38jYhL.jpg) ![StonyLab Qualitative Filter Paper Circles, 46mm Diameter Cellulose Filter Paper with 20 Micron Particle Retention Medium Filtration Speed, Pack of 100 - Image 4](https://m.media-amazon.com/images/I/61RoSbf9kZL.jpg) ![StonyLab Qualitative Filter Paper Circles, 46mm Diameter Cellulose Filter Paper with 20 Micron Particle Retention Medium Filtration Speed, Pack of 100 - Image 5](https://m.media-amazon.com/images/I/41Ok6xbACzL.jpg) ## Available Options This product comes in different **Size** options. ## Questions & Answers **Q: What type of filter paper is this?** A: This is qualitative filter paper, suitable for routine laboratory filtration, solid-liquid separation, sample processing, and other applications. **Q: What is the ash content of this filter paper?** A: The ash content is ≀0.15%, making it suitable for routine qualitative analysis and laboratory filtration. **Q: Can this filter paper be used for vacuum filtration?** A: Yes. It can be used with suitable filtration equipment for routine vacuum filtration. **Q: How do I choose the right filter paper diameter?** A: Choose a filter paper diameter that matches the filtration funnel size so that the paper fits evenly over the filtration area for proper operation. **Q: What should I check before using the filter paper?** A: Check that the filter paper is intact and clean before use. Keep it dry and avoid moisture or damage that may affect filtration performance. ## Customer Reviews ### ⭐⭐⭐⭐⭐ filter good ice cream also good..cigarettes bad *by L***L on December 26, 2023* Buchner funnels are indispensable tools in chemistry laboratories, widely employed for vacuum filtration. One crucial component that enhances their efficiency is the paper filter. These filters play a pivotal role in the separation of solids from liquids, offering a range of benefits that significantly contribute to the success of various scientific experiments. Enhanced Filtration Efficiency One of the primary advantages of utilizing paper filters in Buchner funnels is the notable improvement in filtration efficiency. The porous structure of paper filters allows for the efficient retention of solid particles while facilitating the passage of liquid through the filter. This ensures a faster and more effective separation process, saving valuable time in the laboratory. Precise Particle Retention Paper filters exhibit a remarkable ability to retain particles of different sizes with precision. This is particularly important in experiments where the separation of specific particle sizes is critical. The controlled porosity of paper filters enables scientists to tailor their filtration processes according to the requirements of their experiments, ensuring accurate and reliable results. Reduced Risk of Contamination The use of paper filters in Buchner funnels helps minimize the risk of contamination in experimental samples. The high-quality materials used in manufacturing these filters, such as cellulose or glass microfiber, provide a clean and inert environment for the filtration process. This is especially crucial in sensitive experiments where even trace contaminants can skew results. Compatibility with a Variety of Substances Paper filters are versatile and compatible with a wide range of substances, making them suitable for diverse laboratory applications. Whether filtering aqueous solutions, organic solvents, or suspensions, paper filters exhibit stability and effectiveness across different chemical environments. This versatility makes them a go-to choice for scientists working with various substances in their research. Ease of Use and Convenience The simplicity of incorporating paper filters into Buchner funnels adds to their appeal. The filters are readily available, easy to handle, and require minimal preparation. This convenience not only streamlines laboratory procedures but also enhances the overall user experience. Researchers can focus on the scientific aspects of their work without being burdened by complicated filtration processes. Cost-Effectiveness From an economic standpoint, paper filters offer a cost-effective solution for laboratory filtration. Compared to some alternative filtration methods, the affordability of paper filters makes them an attractive choice for researchers working within budget constraints. This cost-effectiveness does not compromise the quality of results, making paper filters a practical and efficient option for a wide range of scientific applications. Conclusion In conclusion, the integration of paper filters into Buchner funnels brings about a myriad of benefits that significantly contribute to the success of laboratory experiments. From enhanced filtration efficiency and precise particle retention to reduced contamination risks and versatility across different substances, paper filters prove to be indispensable tools in the scientific toolkit. Their ease of use, cost-effectiveness, and overall convenience further underscore their importance in facilitating successful and reliable filtration processes in the realm of laboratory research. ### ⭐⭐⭐⭐⭐ Good product, will buy again *by W***B on February 6, 2026* Filters worked very well. Filtered precipitated gold powder, it was very fine. Solution went in a brownish mud color, came out clear in the beaker after passing through the filter. It fit well, was true to its description. ### ⭐⭐⭐⭐⭐ Quality product *by W***R on June 9, 2026* Great recommendation wirh something else I purchased. Works like it should. ## Frequently Bought Together - StonyLab Qualitative Filter Paper Circles, 46mm Diameter Cellulose Filter Paper with 20 Micron Particle Retention Medium Filtration Speed, Pack of 100 - Homesprit lab vacuum filtration pump for Laboratory Vacuum Filtration Distillation Apparatus to filter the liquid quicker - QWORK 1000ML Buchner Funnel Kit Filter Flask Set, 1L Vacuum Flask 80mm Funnel, Borosilicate Glass Heavy Wall Filtering Flask --- ## Why Shop on Desertcart? - πŸ›’ **Trusted by 1.3+ Million Shoppers** β€” Serving international shoppers since 2016 - 🌍 **Shop Globally** β€” Access 737+ million products across 21 categories - πŸ’° **No Hidden Fees** β€” All customs, duties, and taxes included in the price - πŸ”„ **15-Day Free Returns** β€” Hassle-free returns (30 days for PRO members) - πŸ”’ **Secure Payments** β€” Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** β€” Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.be/products/148565407-stonylab-qualitative-filter-paper-circles-46mm-diameter-cellulose-filter-paper](https://www.desertcart.be/products/148565407-stonylab-qualitative-filter-paper-circles-46mm-diameter-cellulose-filter-paper) --- *Product available on Desertcart Belgium* *Store origin: BE* *Last updated: 2026-09-12*