---
product_id: 173341218
title: "StonyLab Quantitative Filter Paper Circles, 50mm Diameter Cellulose Filter Paper with 20 Micron Particle Retention Medium Filtration Speed, Pack of 100 (50mm Diameter)"
brand: "stonylab"
price: "R527"
currency: ZAR
in_stock: true
category: "Stonylab"
url: https://www.desertcart.co.za/products/173341218-stonylab-quantitative-filter-paper-circles-50mm-diameter-cellulose-filter-paper
store_origin: ZA
region: South Africa
---

# 50mm precision diameter 20 micron particle retention 35-70 sec filtration speed StonyLab Quantitative Filter Paper Circles, 50mm Diameter Cellulose Filter Paper with 20 Micron Particle Retention Medium Filtration Speed, Pack of 100 (50mm Diameter)

**Brand:** stonylab
**Price:** R527
**Availability:** ✅ In Stock

## Summary

> 🧪 Filter Like a Pro — Don’t Let Particles Crash Your Lab Party!

## Quick Answers

- **What is this?** StonyLab Quantitative Filter Paper Circles, 50mm Diameter Cellulose Filter Paper with 20 Micron Particle Retention Medium Filtration Speed, Pack of 100 (50mm Diameter) by stonylab
- **How much does it cost?** R527 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.za](https://www.desertcart.co.za/products/173341218-stonylab-quantitative-filter-paper-circles-50mm-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:** Optimized 35-70 second flow for efficient lab workflows
- • **Trusted 1-Year Warranty:** Confidence backed by StonyLab’s quality guarantee
- • **Precision-Cut 50mm Circles:** Engineered for consistent, reliable filtration every time
- • **Minimal Ash Residue ≤0.01%:** Keeps your samples uncontaminated and results pristine
- • **Ultra-Fine 20 Micron Filtration:** Captures particles with lab-grade accuracy to ensure purity

## Overview

StonyLab’s 50mm Quantitative Filter Paper Circles deliver precise 20 micron particle retention with a fast 35-70 second filtration speed, minimal ash content ≤0.01%, and a reliable 1-year warranty—perfect for professionals demanding consistent, contamination-free lab filtration.

## Description

1-year limited manufacturer warranty

## Features

- Filter paper diameter: 50mm
- Coarse cellulose filter papers remove particles > 20 µm
- Filtration Speed: 35 – 70 sec
- Ash content: ≤0.01%
- 1-year limited manufacturer warranty

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0GGRFH51D |
| Batteries Required? | No |
| Best Sellers Rank | 6,770 in Business, Industry & Science ( See Top 100 in Business, Industry & Science ) 1 in Quantitative Filter Paper |
| Customer Reviews | 4.4 4.4 out of 5 stars (399) |
| Date First Available | 15 Jan. 2026 |
| Guaranteed software updates until | unknown |
| Item Weight | 15 g |
| Item model number | SL003044 |
| Manufacturer | StonyLab Scientific |
| Part number | DL-FilterPaper-50mm |
| Product Dimensions | 5 x 5 x 1.5 cm; 15 g |
| Size | 50 mm Diameter |

## Product Details

- **Colour:** 94mm Diameter
- **Brand:** stonylab
- **Material:** PE_(Polyethylene), Paper
- **Sheet size:** 94mm
- **Recommended uses for product:** Laboratory Filtration

## Images

![StonyLab Quantitative Filter Paper Circles, 50mm Diameter Cellulose Filter Paper with 20 Micron Particle Retention Medium Filtration Speed, Pack of 100 (50mm Diameter) - Image 1](https://m.media-amazon.com/images/I/311tg-kAMnL.jpg)
![StonyLab Quantitative Filter Paper Circles, 50mm Diameter Cellulose Filter Paper with 20 Micron Particle Retention Medium Filtration Speed, Pack of 100 (50mm Diameter) - Image 2](https://m.media-amazon.com/images/I/31e-ykcGduL.jpg)
![StonyLab Quantitative Filter Paper Circles, 50mm Diameter Cellulose Filter Paper with 20 Micron Particle Retention Medium Filtration Speed, Pack of 100 (50mm Diameter) - Image 3](https://m.media-amazon.com/images/I/21Y3fWHiWML.jpg)
![StonyLab Quantitative Filter Paper Circles, 50mm Diameter Cellulose Filter Paper with 20 Micron Particle Retention Medium Filtration Speed, Pack of 100 (50mm Diameter) - Image 4](https://m.media-amazon.com/images/I/41wWNp667OL.jpg)
![StonyLab Quantitative Filter Paper Circles, 50mm Diameter Cellulose Filter Paper with 20 Micron Particle Retention Medium Filtration Speed, Pack of 100 (50mm Diameter) - Image 5](https://m.media-amazon.com/images/I/11CYJpIWTrL.jpg)

## Available Options

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

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**Shop now:** [https://www.desertcart.co.za/products/173341218-stonylab-quantitative-filter-paper-circles-50mm-diameter-cellulose-filter-paper](https://www.desertcart.co.za/products/173341218-stonylab-quantitative-filter-paper-circles-50mm-diameter-cellulose-filter-paper)

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*Product available on Desertcart South Africa*
*Store origin: ZA*
*Last updated: 2026-08-21*