---
product_id: 243361340
title: "Fluval U2 Underwater Filter Poly/Carbon"
brand: "fluval"
price: "€ 42.04"
currency: EUR
in_stock: false
reviews_count: 5
category: "Fluval"
url: https://www.desertcart.hr/products/243361340-fluval-u2-underwater-filter-poly-carbon
store_origin: HR
region: Croatia
---

# Eliminates odors & discoloration Removes fine debris & contaminants Dual-sided poly/carbon cartridge Fluval U2 Underwater Filter Poly/Carbon

**Brand:** fluval
**Price:** € 42.04
**Availability:** ❌ Out of Stock

## Summary

> 💧 Crystal-clear tanks, zero hassle—filter like a pro!

## Quick Answers

- **What is this?** Fluval U2 Underwater Filter Poly/Carbon by fluval
- **How much does it cost?** € 42.04 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/243361340-fluval-u2-underwater-filter-poly-carbon)

## 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

- • **Long-Lasting Clarity:** Noticeably cleaner water within days, reducing maintenance time
- • **Compact & Lightweight:** 6.4x6.4x3.3 cm cartridge weighing just 45g
- • **Dual-Action Filtration:** Polyester side traps fine particles, carbon side purifies water
- • **Quick & Easy Installation:** Fits seamlessly into Fluval U2 filter for hassle-free setup
- • **Freshwater & Saltwater Safe:** Versatile use for diverse aquatic environments

## Overview

The Fluval U2 Underwater Filter Poly/Carbon cartridge offers dual-sided chemical filtration with polyester and carbon layers, effectively removing fine debris, contaminants, odors, and discoloration. Designed for easy installation in Fluval U2 filters, it supports both freshwater and saltwater tanks, delivering noticeably cleaner water and reducing maintenance efforts.

## Description

All products are imported from the usa. All electronic products must be used with a step down/up converter for Indian voltage compatibility.

Review: Excellent product and reasonable price 👌
Review: I’ve been using the Fluval U2 Chemical Filter Cartridges for a few weeks now, and the difference in tank cleanliness is night and day. These cartridges do a fantastic job keeping my water clean and clear. The dual-sided design is especially effective—one side traps fine particles like debris and uneaten food, while the carbon side removes odors and discoloration. Within just a day or two of use, I noticed a significant improvement in water clarity and smell. I use them in a freshwater setup, but it’s great to know they’re also safe for saltwater and reptile tanks. Plus, installation in my Fluval U2 filter was quick and easy. If you’re looking for an efficient, no-fuss solution to maintaining a spotless tank, I highly recommend these cartridges. My fish seem happier, and I’m spending less time on water changes and tank maintenance!

## Features

- Polyester/carbon cartridge provides thorough
- Effective chemical filtration polyester filter pad side filters out fine debris
- Contaminants carbon side filters out harmful liquid substances, colourants and odours for freshwater
- Contains 2 poly/carbon cartridges
- For the fluval u2 underwater filter

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B001XRR3YA |
| Brand | Fluval |
| Global Trade Identification Number | 00015561104906 |
| Item Dimensions LxWxH | 6.4 x 6.4 x 3.3 Centimeters |
| Item Form | Cartridge |
| Item Weight | 45.4 g |
| Item model number | A490 |
| Manufacturer | Hagen |
| Net Quantity | 1.0 Count |
| Product Dimensions | 6.35 x 6.35 x 3.3 cm; 45.36 g |
| UPC | 015561104906 |

## Product Details

- **Brand:** Fluval
- **Item Form:** Cartridge
- **Item Weight:** 0.1 Pounds
- **Manufacturer:** Hagen
- **UPC:** 015561104906

## Images

![Fluval U2 Underwater Filter Poly/Carbon - Image 1](https://m.media-amazon.com/images/I/419IYzWXleL.jpg)
![Fluval U2 Underwater Filter Poly/Carbon - Image 2](https://m.media-amazon.com/images/I/61SrGfCi9vL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by M***K on 25 August 2025*

Excellent product and reasonable price 👌

### ⭐⭐⭐⭐⭐ Review
*by F***E on 2 July 2025*

I’ve been using the Fluval U2 Chemical Filter Cartridges for a few weeks now, and the difference in tank cleanliness is night and day. These cartridges do a fantastic job keeping my water clean and clear. The dual-sided design is especially effective—one side traps fine particles like debris and uneaten food, while the carbon side removes odors and discoloration. Within just a day or two of use, I noticed a significant improvement in water clarity and smell. I use them in a freshwater setup, but it’s great to know they’re also safe for saltwater and reptile tanks. Plus, installation in my Fluval U2 filter was quick and easy. If you’re looking for an efficient, no-fuss solution to maintaining a spotless tank, I highly recommend these cartridges. My fish seem happier, and I’m spending less time on water changes and tank maintenance!

### ⭐⭐⭐⭐⭐ Review
*by R***E on 27 November 2025*

schnelle Lieferung

## Frequently Bought Together

- Fluval U2 Internal Filter Carbon Cartridge
- Fluval U2 Internal Filter Foam Pad
- Fluval U Internal Filters Clean and Clear Cartridge, White

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.hr/products/243361340-fluval-u2-underwater-filter-poly-carbon](https://www.desertcart.hr/products/243361340-fluval-u2-underwater-filter-poly-carbon)

---

*Product available on Desertcart Croatia*
*Store origin: HR*
*Last updated: 2026-01-22*