---
product_id: 152042031
title: "StonyLab Qualitative Filter Paper Circles, 74mm Diameter Cellulose Filter Paper with 20 Micron Particle Retention Medium Filtration Speed, Pack of 100"
brand: "stonylab"
price: "₱2350"
currency: PHP
in_stock: true
category: "Stonylab"
url: https://www.desertcart.ph/products/152042031-stonylab-qualitative-filter-paper-circles-74mm-diameter-cellulose-filter-paper
store_origin: PH
region: Philippines
---

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

**Brand:** stonylab
**Price:** ₱2350
**Availability:** ✅ In Stock

## Summary

> 🧪 Filter like a pro — precision meets speed in every circle!

## Quick Answers

- **What is this?** StonyLab Qualitative Filter Paper Circles, 74mm Diameter Cellulose Filter Paper with 20 Micron Particle Retention Medium Filtration Speed, Pack of 100 by stonylab
- **How much does it cost?** ₱2350 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ph](https://www.desertcart.ph/products/152042031-stonylab-qualitative-filter-paper-circles-74mm-diameter-cellulose-filter-paper)

## Best For

- stonylab enthusiasts

## Why This Product

- Trusted stonylab brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Rapid Filtration Speed:** Balances efficiency and thoroughness with a quick 35-70 second flow.
- • **Seamless Compatibility:** Optimized for StonyLab Porcelain Buchner Funnels to elevate your lab setup.
- • **Low Ash Content ≤0.15%:** Minimizes residue for cleaner, contamination-free samples.
- • **Precision-Cut 74mm Circles:** Perfectly sized for consistent, reliable filtration every time.
- • **Ultra-Fine 20 Micron Filtration:** Captures even the smallest particles to ensure crystal-clear results.

## Overview

StonyLab’s 74mm qualitative filter paper circles offer medium-speed filtration with 20 micron particle retention, ensuring efficient and clean separation. With low ash content and compatibility with StonyLab Buchner funnels, this pack of 100 is trusted by professionals for consistent lab performance.

## Description

StonyLab Qualitative Filter Paper Circles, 74mm Diameter Cellulose Filter Paper with 20 Micron Particle Retention Medium Filtration Speed, Pack of 100: desertcart.com: Industrial & Scientific

## 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 | 4.4 out of 5 stars 695 Reviews |

## Product Details

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

## Images

![StonyLab 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)
![StonyLab Qualitative Filter Paper Circles, 74mm Diameter Cellulose Filter Paper with 20 Micron Particle Retention Medium Filtration Speed, Pack of 100 - Image 2](https://m.media-amazon.com/images/I/51lVbtdvLlL.jpg)
![StonyLab Qualitative Filter Paper Circles, 74mm 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, 74mm 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, 74mm 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.

## 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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**Shop now:** [https://www.desertcart.ph/products/152042031-stonylab-qualitative-filter-paper-circles-74mm-diameter-cellulose-filter-paper](https://www.desertcart.ph/products/152042031-stonylab-qualitative-filter-paper-circles-74mm-diameter-cellulose-filter-paper)

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*Product available on Desertcart Philippines*
*Store origin: PH*
*Last updated: 2026-10-18*