---
product_id: 48572990
title: "U2/U3/U4 Internal Filter Biomax 110g"
brand: "fluval"
price: "€ 13.74"
currency: EUR
in_stock: true
reviews_count: 13
category: "Fluval"
url: https://www.desertcart.at/products/48572990-u2-u3-u4-internal-filter-biomax-110g
store_origin: AT
region: Austria
---

# Optimized for freshwater & marine use Fits Fluval U2/U3/U4 filters seamlessly Boosts beneficial bacteria growth U2/U3/U4 Internal Filter Biomax 110g

**Brand:** fluval
**Price:** € 13.74
**Availability:** ✅ In Stock

## Summary

> 🦠 Elevate your aquarium’s ecosystem—because your fish deserve the best!

## Quick Answers

- **What is this?** U2/U3/U4 Internal Filter Biomax 110g by fluval
- **How much does it cost?** € 13.74 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.at](https://www.desertcart.at/products/48572990-u2-u3-u4-internal-filter-biomax-110g)

## 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

- • **BioBoost Power:** Supercharges your aquarium’s natural filtration with premium Biomax media.
- • **Perfect Fit Formula:** Specifically engineered for Fluval U2, U3, and U4 filters—no guesswork needed.
- • **Trusted by Thousands:** Backed by 3,500+ glowing reviews and a 4.7-star rating—join the community of thriving aquarists.
- • **Dual Environment Ready:** Works flawlessly in both freshwater and marine tanks—versatility meets performance.
- • **Half-Replace Efficiency:** Replenish only half at a time to maintain stable, thriving bacteria colonies.

## Overview

Fluval Biomax 110g is a genuine biological filter media designed for Fluval U2, U3, and U4 internal filters. It promotes the growth of beneficial bacteria essential for maintaining clean, healthy water in both freshwater and marine aquariums. With a smart half-replacement system, it ensures continuous biological filtration and is trusted by thousands of aquarists worldwide.

## Description

Product Description Fluval Biomax biological aquarium filter media for Fluval U2/U3/U4 underwater filters for enhanced biological filtration, genuine Fluval media. Directions Place inside Fluval U2, U3, or U4 filter. P.when('A').execute(function(A) { A.on('a:expander:toggle_description:toggle:collapse', function(data) { window.scroll(0, data.expander.$expander[0].offsetTop-100); }); }); Box Contains Biomax See more

Review: Great for your filter! - I was very happy with the quantity and helping my aquarium to get more beneficial bacteria to help my water parameters and help keep my aquarium clean .. I would happil buy again great value also
Review: Biological filter - Just what I wanted

## Features

- Promotes growth of beneficial bacteria
- Fits the Fluval U2, U3 and U4 Filters
- Replenish only half at one time
- Works in freshwater or marine environments

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B001XRR2IM |
| Brand Name | Fluval |
| Country Of Origin | China |
| Customer Reviews | 4.7 4.7 out of 5 stars (3,544) |
| Global Trade Identification Number | 00015561104951 |
| Item Form | Granules |
| Item Type Name | Biomax 110g (for Fluval U2, U3, U4) |
| Item Weight | 45 g |
| Liquid Volume | 110 Litres |
| Manufacturer | Rolf C Hagen UK Ltd |
| Manufacturer Part Number | A495 |
| Model Number | A495 |
| Target Species | Fish |
| UPC | 015561104951 |
| Unit Count | 1 count |

## Product Details

- **Brand:** Fluval
- **Item form:** Granules
- **Item weight:** 45 g
- **Liquid volume:** 110 Litres
- **Manufacturer:** Rolf C Hagen UK Ltd

## Images

![U2/U3/U4 Internal Filter Biomax 110g - Image 1](https://m.media-amazon.com/images/I/818XJ-6cv9L.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Great for your filter!
*by M***H on 25 September 2024*

I was very happy with the quantity and helping my aquarium to get more beneficial bacteria to help my water parameters and help keep my aquarium clean .. I would happil buy again great value also

### ⭐⭐⭐⭐⭐ Biological filter
*by S***S on 22 February 2026*

Just what I wanted

### ⭐⭐⭐⭐⭐ Trusted
*by M***K on 3 June 2025*

Excellent product 💯

## Frequently Bought Together

- Fluval U Underwater Filter BioMax
- Fluval U4 Bio-Foam Pad, Replacement Underwater Aquarium Filter Media, A488
- Fluval U3 Underwater Filter Foam Pad

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**Shop now:** [https://www.desertcart.at/products/48572990-u2-u3-u4-internal-filter-biomax-110g](https://www.desertcart.at/products/48572990-u2-u3-u4-internal-filter-biomax-110g)

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*Product available on Desertcart Austria*
*Store origin: AT*
*Last updated: 2026-04-23*