---
product_id: 48572990
title: "U2/U3/U4 Internal Filter Biomax 110g"
brand: "fluval"
price: "128 kr"
currency: DKK
in_stock: true
reviews_count: 13
category: "Fluval"
url: https://www.desertcart.dk/products/48572990-u2-u3-u4-internal-filter-biomax-110g
store_origin: DK
region: Denmark
---

# Effective in freshwater & marine tanks Fits Fluval U2/U3/U4 filters seamlessly 110g Biomax media for max bacteria growth U2/U3/U4 Internal Filter Biomax 110g

**Brand:** fluval
**Price:** 128 kr
**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?** 128 kr with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.dk](https://www.desertcart.dk/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

- • **Trusted by Thousands:** Join over 3,500 happy aquarists who rate it 4.7 stars for superior water quality.
- • **Half-Replace Strategy:** Replenish only half the media at a time to maintain stable biological balance.
- • **Perfect Compatibility:** Specifically designed to fit Fluval U2, U3, and U4 internal filters for effortless installation.
- • **Versatile Aquatic Use:** Optimized for both freshwater and marine environments—one solution for all your tanks.
- • **Boost Beneficial Bacteria Growth:** Enhance your aquarium’s natural filtration with 110g of genuine Biomax media.

## Overview

The Fluval Biomax 110g internal filter media is engineered to promote the growth of beneficial bacteria, enhancing biological filtration in Fluval U2, U3, and U4 filters. Suitable for both freshwater and marine tanks, it allows partial media replacement to maintain optimal water conditions, making it a trusted choice among aquarium enthusiasts.

## 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: Trusted - Excellent product 💯

## 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 |
| Batteries Included | No |
| Batteries required | No |
| Breed Recommendation | Mittlere Rassen |
| Colour | White |
| Customer Reviews | 4.7 4.7 out of 5 stars (3,508) |
| Date First Available | 27 July 2010 |
| Flavor | Geschmacksneutral. |
| Item Form | Granules |
| Item Weight | 45.4 g |
| Item model number | A495 |
| Number of Items | 1 |
| Pet Life Stage | For all ages of large breed fish |
| Pet Type | Fish |
| Product Dimensions | 6.86 x 3.81 x 26.92 cm; 45.36 g |
| Quantity | 1 |
| Size | 110 g (Lot de 1) |
| Special features | Tragbar |

## Product Details

- **Brand:** Fluval
- **Item form:** Granules
- **Item weight:** 0.1 Pounds
- **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

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

Excellent product 💯

### ⭐⭐⭐⭐⭐ Fluval
*by C***N on 18 December 2025*

Spot on 👍

## 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.dk/products/48572990-u2-u3-u4-internal-filter-biomax-110g](https://www.desertcart.dk/products/48572990-u2-u3-u4-internal-filter-biomax-110g)

---

*Product available on Desertcart Denmark*
*Store origin: DK*
*Last updated: 2026-02-20*