---
product_id: 55356969
title: "Fluval U3 Internal Filter Carbon Cartridge"
brand: "fluval"
price: "C$1120"
currency: NIO
in_stock: true
reviews_count: 13
category: "Fluval"
url: https://www.desertcart.ni/products/55356969-fluval-u3-internal-filter-carbon-cartridge
store_origin: NI
region: Nicaragua
---

# Enhances water clarity 2-in-1 chemical filtration Easy cartridge replacement Fluval U3 Internal Filter Carbon Cartridge

**Brand:** fluval
**Price:** C$1120
**Availability:** ✅ In Stock

## Summary

> 🌟 Elevate your aquarium’s clarity game—because your fish deserve the best!

## Quick Answers

- **What is this?** Fluval U3 Internal Filter Carbon Cartridge by fluval
- **How much does it cost?** C$1120 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ni](https://www.desertcart.ni/products/55356969-fluval-u3-internal-filter-carbon-cartridge)

## Best For

- fluval enthusiasts

## Why This Product

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

## Key Features

- • **Versatile Aquatic Use:** Perfect for freshwater, marine, and reptile tanks alike
- • **Effortless Maintenance:** Quick-swap cartridge design keeps your aquarium pristine with zero hassle
- • **Trusted Genuine Quality:** Authentic Fluval media ensures reliable toxin and odor removal every time
- • **Tailored Fit for Fluval U3:** Engineered exclusively for seamless compatibility and peak performance
- • **Dual-Action Filtration Power:** Combines chemical and mechanical filtration for crystal-clear water

## Overview

The Fluval U3 Internal Filter Carbon Cartridge is a genuine, easy-to-replace 2-in-1 filtration media designed exclusively for the Fluval U3 filter. It effectively traps fine debris, removes odors and toxins, and enhances water clarity across freshwater, marine, and reptile environments, ensuring a pristine aquatic habitat with minimal effort.

## Description

Product Description Fluval U3 Poly-Carb aquarium filter 2 in 1 cartridge removes odours and toxins and creates crystal clear water, genuine Fluval media. Directions Replace cartridge periodically.

Review: as expected - it was a genuine part for the U3 fish filter, works well and good price
Review: Perfect for the Fluval U3 filter - Perfect for the Fluval U3 filter. Arrived on time, well packaged.

## Features

- Provides effective chemical filtration
- Custom fit for the Fluval U3 Filter
- Traps fine debris, improves water clarity and removes impurities
- Easy to replace
- Works in freshwater, marine or reptile environments

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B001XRR3E0 |
| Batteries Included | No |
| Batteries required | No |
| Best Sellers Rank | 17,717 in Pet Supplies ( See Top 100 in Pet Supplies ) 205 in Aquarium Filter Accessories |
| Colour | Weiß, Schwarz |
| Compatible Devices | Cooker hood |
| Customer Reviews | 4.6 4.6 out of 5 stars (1,278) |
| Date First Available | 28 Sept. 2014 |
| Item Form | Cartridge |
| Item Weight | 26 g |
| Item model number | A491 |
| Number of Items | 1 |
| Pet Type | Fish |
| Product Dimensions | 6.35 x 6.35 x 3.3 cm; 26 g |
| Quantity | 1 |
| Size | U3 - 1 Count (Pack of 1) |

## Product Details

- **Brand:** Fluval
- **Item form:** Cartridge
- **Item weight:** 0.03 Kilograms
- **Manufacturer:** Rolf C Hagen UK Ltd
- **UPC:** 015561104913

## Images

![Fluval U3 Internal Filter Carbon Cartridge - Image 1](https://m.media-amazon.com/images/I/41pxTmVeEXL.jpg)

## Available Options

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

## Customer Reviews

### ⭐⭐⭐⭐⭐ as expected
*by S***S on 20 December 2019*

it was a genuine part for the U3 fish filter, works well and good price

### ⭐⭐⭐⭐⭐ Perfect for the Fluval U3 filter
*by M***R on 22 December 2024*

Perfect for the Fluval U3 filter. Arrived on time, well packaged.

### ⭐⭐⭐⭐ Quality.
*by P***N on 4 December 2025*

Very good but don’t fit into the fluval u3 as flush as the u4 ones fit into the respective filter.

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**Shop now:** [https://www.desertcart.ni/products/55356969-fluval-u3-internal-filter-carbon-cartridge](https://www.desertcart.ni/products/55356969-fluval-u3-internal-filter-carbon-cartridge)

---

*Product available on Desertcart Nicaragua*
*Store origin: NI*
*Last updated: 2026-03-13*