---
product_id: 2221488
title: "Fluval U4 Poly-Carb Cartridge, 2-Pack"
brand: "fluval"
price: "FREE"
currency: TND
in_stock: false
url: https://www.desertcart.tn/products/2221488-fluval-u4-poly-carb-cartridge-2-pack
store_origin: TN
region: Tunisia
---

# Compatible with fresh & saltwater Dual-sided chemical filtration Polyester pad traps fine debris Fluval U4 Poly-Carb Cartridge, 2-Pack

**Brand:** fluval
**Price:** FREE
**Availability:** ❌ Out of Stock

## Summary

> 🐠 Keep your aquatic world flawless — because your fish deserve the best!

## Quick Answers

- **What is this?** Fluval U4 Poly-Carb Cartridge, 2-Pack by fluval
- **How much does it cost?** FREE with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/2221488-fluval-u4-poly-carb-cartridge-2-pack)

## 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

- • **Odor & Color Control:** Effectively eliminates harmful liquid substances, colorants, and odors for crystal-clear water.
- • **Effortless Maintenance:** Easy-to-replace 2-pack cartridges keep your tank pristine with minimal hassle.
- • **Trusted Legacy Innovation:** From Fluval, pioneers of 3-stage filtration technology since 1975, ensuring top-tier quality.
- • **Dual-Action Filtration Power:** Two unique filter sides combine for unmatched chemical and particulate removal.
- • **Versatile Aquarium Compatibility:** Perfectly engineered for freshwater, saltwater, and reptile tanks alike.

## Overview

The Fluval U4 Poly Cartridge 2-Pack offers advanced dual-sided chemical filtration with a polyester pad that traps fine debris and a side that removes harmful liquids, colorants, and odors. Designed for freshwater, saltwater, and reptile aquariums, these cartridges ensure superior water clarity and health. Backed by Fluval’s decades-long innovation legacy, they provide easy maintenance and reliable performance to keep your aquatic environment thriving.

## Description

Fluval U4 Poly Cartridges has two unique filtering sides that combine to provide thorough chemical filtration, the crucial second stage in the filtration process. The polyester filter pad side filters out fine debris and contaminants. The side filters out harmful liquid substances, colorants and odors. The Fluval Poly Cartridge helps keep your aquarium healthy and clean. For more fish tank accessories, check out other Fluval products including aquarium filters, aquarium heaters, aquarium air pumps, aquarium lights, aquarium rocks, aquarium thermometers, and aquarium stands. Fluval has a wide variety of products that are perfect for your pet fish to enjoy in any large fish tank, small fish tank, saltwater tank or freshwater tank. Fluval broke onto the aquatic scene in 1975 by introducing the world’s first 3-stage filter with synchronous motor technology – a breakthrough that is still applied in the industry today. Since then, Fluval has built a legacy around this pioneering spirit, relentlessly adapting in a changing world to launch innovative aquarium products that remain at the forefront of technology, and which set the bar in quality, style and functionality. Fluval’s mission is not just about building products that mimic the natural world, but inspiring aquarists of all skill levels to enjoy and respect the hobby for generations to come.

## Features

- Filter media with two unique filtering sides that combine to provide thorough chemical filtration
- Polyester side filters out fine debris and contaminants
- Side filters out harmful liquid substances, colorants and odors
- Suitable for freshwater, saltwater or reptile environments
- Includes two cartridges designed for use with the Fluvial U4 Underwater Filter

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B001XRVX8C |
| ASIN  | B001XRVX8C |
| Allergen Information | Nut Free |
| Best Sellers Rank | #53,567 in Pet Supplies ( See Top 100 in Pet Supplies ) #687 in Aquarium Filter Accessories |
| Brand Name | Fluval |
| Customer Reviews | 4.7 4.7 out of 5 stars (1,950) |
| Date First Available  | August 19, 2004 |
| Department  | Unisex-Adult |
| Global Trade Identification Number | 00015561104920 |
| Included Components | Fluval U4 Poly-Carb Cartridge, Replacement Underwater Aquarium Filter Media, 2-Pack, A492 |
| Item Form | Cartridge |
| Item Type Name | Fluval U4 Poly-Carb Cartridge, Replacement Underwater Aquarium Filter Media, 2-Pack, A492 |
| Item Weight | 0.03 kg |
| Item model number  | A492 |
| Manufacturer | Rolf C. Hagen (USA) Corp. |
| Manufacturer  | Rolf C. Hagen (USA) Corp. |
| Manufacturer Part Number | A492 |
| Model Number | A492 |
| Number of Items | 1 |
| Number of Packs | 2 |
| Pet Type | Fish, Reptile |
| Product Dimensions  | 0.59 x 2.36 x 3.38 inches; 1.13 ounces |
| Target Species | Fish |
| UPC | 015561104920 |
| Unit Count | 1 Count |
| Warranty Description | Warranty |

## Product Details

- **Brand:** Fluval
- **Item Form:** Cartridge
- **Item Weight:** 0.03 kg
- **Number of Packs:** 2
- **Unit Count:** 1 Count

## Images

![Fluval U4 Poly-Carb Cartridge, 2-Pack - Image 1](https://m.media-amazon.com/images/I/519t8soBffL.jpg)

## Frequently Bought Together

- Fluval U4 Filter Carbon Cartridge
- Fluval U4 Internal Filter Foam Pad
- Fluval U Internal Filters Clean and Clear Cartridge, White

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**Shop now:** [https://www.desertcart.tn/products/2221488-fluval-u4-poly-carb-cartridge-2-pack](https://www.desertcart.tn/products/2221488-fluval-u4-poly-carb-cartridge-2-pack)

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*Product available on Desertcart Tunisia*
*Store origin: TN*
*Last updated: 2026-09-04*