---
product_id: 152042031
title: "Qualitative Filter Paper Circles, 74mm Diameter Cellulose Filter Paper with 20 Micron Particle Retention Medium Filtration Speed, Pack of 100"
price: "€ 33.54"
currency: EUR
in_stock: true
reviews_count: 13
url: https://www.desertcart.hr/products/152042031-qualitative-filter-paper-circles-74mm-diameter-cellulose-filter-paper-20
store_origin: HR
region: Croatia
---

# 74mm diameter precision 20 micron particle retention 35-70 sec filtration speed Qualitative Filter Paper Circles, 74mm Diameter Cellulose Filter Paper with 20 Micron Particle Retention Medium Filtration Speed, Pack of 100

**Price:** € 33.54
**Availability:** ✅ In Stock

## Summary

> 🔬 Elevate your lab game with precision filters that keep you ahead of the curve!

## Quick Answers

- **What is this?** Qualitative Filter Paper Circles, 74mm Diameter Cellulose Filter Paper with 20 Micron Particle Retention Medium Filtration Speed, Pack of 100
- **How much does it cost?** € 33.54 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/152042031-qualitative-filter-paper-circles-74mm-diameter-cellulose-filter-paper-20)

## 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

- • **Ultra-Low Ash Content:** ≤0.15% ash guarantees minimal contamination, preserving sample integrity for sensitive research.
- • **Lab-Ready Compatibility:** Seamlessly pairs with StonyLab Porcelain Buchner Funnels for hassle-free setup and peak performance.
- • **Fast & Efficient Workflow:** Filtration speed between 35-70 seconds accelerates lab processes without compromising quality.
- • **Micron-Level Particle Control:** Retains particles larger than 20 microns for crystal-clear filtrate and reliable experiment outcomes.
- • **Precision Filtration, Every Time:** 74mm diameter ensures perfect fit and consistent results with StonyLab Buchner funnels.

## Overview

StonyLab Qualitative Filter Paper Circles are 74mm diameter cellulose filters designed for medium-speed filtration with 20 micron particle retention. Featuring ultra-low ash content (≤0.15%), they ensure minimal contamination and high purity in laboratory separations. Compatible with StonyLab Porcelain Buchner Funnels, these filters deliver fast, reliable, and cost-effective performance, trusted by over 650 professionals with a 4.6-star rating.

## Description

Our Lab accessories are supplementary items designed to support and enhance laboratory work. Common examples include rubber stoppers, clamps, tubing, and stands, which are used to connect, secure, or stabilize laboratory equipment and setups. These accessories help ensure safe, efficient, and organized experimentation in scientific, educational, or research environments.

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: 74mm
- Coarse cellulose filter papers remove particles > 20 µm
- Filtration Speed: 35 - 70 sec
- Ash content: ≤0.15%
- Compatible with StonyLab Porcelain Buchner Funnel

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Customer Reviews | 4.6 out of 5 stars 657 Reviews |

## Product Details

- **Material:** Cellulose
- **Brand:** stonylab
- **Color:** 75mm Diameter
- **Capacity:** 250 Milliliters
- **Wide End Diameter:** 74 Millimeters

## Images

![Qualitative Filter Paper Circles, 74mm Diameter Cellulose Filter Paper with 20 Micron Particle Retention Medium Filtration Speed, Pack of 100 - Image 1](https://m.media-amazon.com/images/I/51SZHfeXNWL.jpg)

## Available Options

This product comes in different **Size** options.

## 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.

### ⭐⭐⭐⭐⭐ Worked well for me.
*by D***S on December 11, 2025*

Worked well for me.

## Frequently Bought Together

- StonyLab Qualitative Filter Paper Circles, 75mm Diameter Cellulose Filter Paper with 20 Micron Particle Retention Medium Filtration Speed, Pack of 100
- StonyLab Porcelain Buchner Funnel 80mm, Porcelain Buchner Filter Funnel OD 8cm ID 7.4cm for Laboratory
- stonylab Filter Adapter Cones, Premium & Durable Tapered Collar Rubber Stopper Buchner Funnel Flask Cones Adapter Set, Wear-Resisting Smooth Surface, Pack of 9, Green

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*Product available on Desertcart Croatia*
*Store origin: HR*
*Last updated: 2026-06-26*