---
product_id: 159881266
title: "Qualitative Filter Paper 9 cm Lab Filter Paper for Chemistry, Standard Qualitative Grade 4-Fast Flow 90mm(100 Discs)"
brand: "zenpore"
price: "€ 17.42"
currency: EUR
in_stock: true
category: "Zenpore"
url: https://www.desertcart.pt/products/159881266-qualitative-filter-paper-9-cm-lab-filter-paper-for-chemistry
store_origin: PT
region: Portugal
---

# Fast flow rate 20-25 micron 9cm diameter precision High air flow for fumes Qualitative Filter Paper 9 cm Lab Filter Paper for Chemistry, Standard Qualitative Grade 4-Fast Flow 90mm(100 Discs)

**Brand:** zenpore
**Price:** € 17.42
**Availability:** ✅ In Stock

## Summary

> ⚡ Filter faster, work smarter — don’t let slow labs hold you back!

## Quick Answers

- **What is this?** Qualitative Filter Paper 9 cm Lab Filter Paper for Chemistry, Standard Qualitative Grade 4-Fast Flow 90mm(100 Discs) by zenpore
- **How much does it cost?** € 17.42 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.pt](https://www.desertcart.pt/products/159881266-qualitative-filter-paper-9-cm-lab-filter-paper-for-chemistry)

## Best For

- zenpore enthusiasts

## Why This Product

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

## Key Features

- • **Optimized Air Flow:** Designed for high air flow environments to handle fumes and particulates
- • **Versatile Application:** Ideal for chemistry labs, biological samples, and even wine making
- • **Precision 9cm Diameter:** Exact size matching Whatman Grade 4 for trusted lab consistency
- • **Rapid Filtration Speed:** Fast flow rate ensures quick sample clarification without compromise
- • **Superior Particulate Capture:** Coarse retention traps 20-25 micron particles efficiently

## Overview

Qualitative Filter Paper 9cm Grade 4 offers fast flow filtration with coarse retention, perfect for chemistry labs, biological sample prep, and wine making. Its 90mm discs provide reliable, high air flow filtration capturing particles between 20-25 microns, ensuring efficient and consistent sample clarification.

## Description

Buy Qualitative Filter Paper 9 cm Lab Filter Paper for Chemistry, Standard Qualitative Grade 4-Fast Flow 90mm(100 Discs): Bandaging Pads - desertcart.com ✓ FREE DELIVERY possible on eligible purchases

## Features

- GRADE 4 : 9cm - Equivalent to Whatman qualitative grade 4, standard lab filter paper (90mm)
- FAST PRE-FILTER - Quickly clean-up biological samples and organic extracts, routine clarification
- WINE MAKING - Filtration of musts
- HIGH AIR FLOW COLLECTION - Collect large particulate in fast moving air or fumes
- COARSE RETENTION / FAST FLOW - Retains coarse and gelatinous precipitates (20~25 micron)

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07MS1KZ3S |
| Best Sellers Rank | #27,086 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #5 in Qualitative Lab Filter Paper |
| Date First Available | June 10, 2019 |
| Item Weight | 2.11 ounces |
| Item model number | ST004-90 |
| Manufacturer | Fluted Filter |
| Product Dimensions | 3.66 x 3.66 x 0.79 inches |

## Images

![Qualitative Filter Paper 9 cm Lab Filter Paper for Chemistry, Standard Qualitative Grade 4-Fast Flow 90mm(100 Discs) - Image 1](https://m.media-amazon.com/images/I/71cRwI9P9NL.jpg)

## Available Options

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

## Frequently Bought Together

- Qualitative Filter Paper 9 cm Lab Filter Paper for Chemistry, Standard Qualitative Grade 4-Fast Flow 90mm(100 Discs)
- Filter Paper 7 cm Lab Qualitative Filter Paper for Chemistry, Standard Qualitative Grade 2-Slow Flow 70mm(100 Discs)
- Qualitative Filter Paper 24cm Lab Filter Paper for Chemistry, Standard Qualitative Grade 1-Medium Flow 240mm(100 Discs)

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*Product available on Desertcart Portugal*
*Store origin: PT*
*Last updated: 2026-06-24*