---
product_id: 48572990
title: "U2/U3/U4 Internal Filter Biomax 110g"
brand: "fluval"
price: "£7.50"
currency: GBP
in_stock: true
category: "Fluval"
url: https://www.desertcart.co.uk/products/48572990-u2-u3-u4-internal-filter-biomax-110g
store_origin: GB
region: United Kingdom
---

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

**Brand:** fluval
**Price:** £7.50
**Availability:** ✅ In Stock

## Summary

> 🧬 Elevate your aquarium’s health with Fluval Biomax—where science meets crystal-clear water!

## Quick Answers

- **What is this?** U2/U3/U4 Internal Filter Biomax 110g by fluval
- **How much does it cost?** £7.50 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/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

- • **Smart Replenishment:** Replace only half at a time to maintain a thriving bacterial colony and uninterrupted filtration.
- • **Perfect Compatibility:** Designed exclusively for Fluval U2, U3, and U4 filters—effortless installation, zero guesswork.
- • **Versatile Aquatic Use:** Engineered to perform flawlessly in both freshwater and marine environments—one solution for all your tanks.
- • **Bio-Boosted Filtration:** Supercharge your aquarium’s ecosystem with premium Biomax media that nurtures beneficial bacteria for crystal-clear water.
- • **Trusted Quality & Performance:** Backed by 4.7-star reviews and crafted by Rolf C Hagen UK Ltd, ensuring reliability and peace of mind.

## 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 a healthy aquatic environment, suitable for both freshwater and marine tanks. The product allows partial replenishment to preserve bacterial colonies and is highly rated by users 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

## 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 (3,554) |
| Global Trade Identification Number | 00015561104951 |
| Item Form | Granules |
| Item Type Name | Biomax 110g (for Fluval U2, U3, U4) |
| Item Weight | 0.1 Pounds |
| 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:** 0.1 Pounds
- **Liquid volume:** 110 Litres
- **Unit count:** 1 count

## Images

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

## 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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*Product available on Desertcart United Kingdom*
*Store origin: GB*
*Last updated: 2026-07-03*