---
product_id: 17309990
title: "1004-150 Quantitative Filter Paper Circles, 20-25 Micron, 3.7 s/100mL/sq inch Flow Rate, Grade 4, 150mm Diameter (Pack of 100)"
brand: "whatman"
price: "876 kr"
currency: NOK
in_stock: true
category: "Whatman"
url: https://www.desertcart.no/products/17309990-1004-150-quantitative-filter-paper-circles-20-25-micron-3
store_origin: NO
region: Norway
---

# 3.7 s/100mL/sq inch ultra-fast flow 150mm diameter precision 20-25 micron particle retention 1004-150 Quantitative Filter Paper Circles, 20-25 Micron, 3.7 s/100mL/sq inch Flow Rate, Grade 4, 150mm Diameter (Pack of 100)

**Brand:** whatman
**Price:** 876 kr
**Availability:** ✅ In Stock

## Summary

> ⚡ Filter faster, analyze smarter — don’t get left behind!

## Quick Answers

- **What is this?** 1004-150 Quantitative Filter Paper Circles, 20-25 Micron, 3.7 s/100mL/sq inch Flow Rate, Grade 4, 150mm Diameter (Pack of 100) by whatman
- **How much does it cost?** 876 kr with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.no](https://www.desertcart.no/products/17309990-1004-150-quantitative-filter-paper-circles-20-25-micron-3)

## Best For

- whatman enthusiasts

## Why This Product

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

## Key Features

- • **Bulk Pack of 100:** Stay stocked and ready for high-volume lab or industrial workflows
- • **Lightning-Fast Flow Rate:** 3.7 seconds per 100mL per sq inch for rapid sample processing
- • **Versatile Analytical Use:** Ideal for qualitative analysis, air pollution monitoring, and biological fluid cleanup
- • **Coarse Particle Retention:** Captures 20-25 micron particles and gelatinous precipitates with ease
- • **Precision-Cut 150mm Circles:** Perfectly sized for consistent, reliable filtration every time

## Overview

Whatman Grade 4 quantitative filter paper circles (150mm diameter) deliver ultra-fast filtration with a flow rate of 3.7 seconds per 100mL per square inch, efficiently retaining coarse particles sized 20-25 microns. Designed for qualitative analytical techniques and air pollution monitoring, this pack of 100 ensures consistent, high-volume performance in laboratory and industrial settings.

## Description

This Whatman 15.0cm, grade 4, cellulose filter paper is used in qualitative analytical techniques to determine and identify materials. It is extremely fast filtering. It provides excellent retention of coarse particles (20-25µm) and gelatinous precipitates such as ferric hydroxide and aluminium hydroxide. It is very useful as a rapid filter for routine cleanup of biological fluids or organic extracts during analysis. This filter paper is used when high flow rates in air pollution monitoring are required and the collection of fine particles is not critical. Retention: 20-25µm. Dimensions: 15.0cm. 100/Pack. Whatman #: 1004-150.

## Features

- 15.0cm
- Grade 4
- Used in qualitative analytical techniques to determine and identify materials
- Extremely fast filtering; provides excellent retention of coarse particles (20-25µm) and gelatinous precipitates such as ferric hydroxide and aluminium hydroxide
- Used when high flow rates in air pollution monitoring are required and the collection of fine particles is not critical

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B00394F9QE |
| Best Sellers Rank | #288,754 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #26 in Quantitative Lab Filter Paper |
| Date First Available | March 20, 2008 |
| Item Weight | 4 ounces |
| Item model number | F1060-7 |
| Manufacturer | Whatman |
| National Stock Number | 6640-00-543-6045 |
| Product Dimensions | 5.9 x 6.1 x 1.2 inches |

## Images

![1004-150 Quantitative Filter Paper Circles, 20-25 Micron, 3.7 s/100mL/sq inch Flow Rate, Grade 4, 150mm Diameter (Pack of 100) - Image 1](https://m.media-amazon.com/images/I/418T+dAeaVL.jpg)

## Available Options

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

## Frequently Bought Together

- Whatman 1004-150 Quantitative Filter Paper Circles, 20-25 Micron, 3.7 s/100mL/sq inch Flow Rate, Grade 4, 150mm Diameter (Pack of 100)
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*Product available on Desertcart Norway*
*Store origin: NO*
*Last updated: 2026-11-02*