---
product_id: 254997824
title: "U2/U3/U4 Internal Filter Biomax 110g"
brand: "fluval"
price: "€ 13.00"
currency: EUR
in_stock: true
reviews_count: 5
category: "Fluval"
url: https://www.desertcart.ie/products/254997824-u2-u3-u4-internal-filter-biomax-110g
store_origin: IE
region: Ireland
---

# Works in both freshwater & marine tanks Half-replenish system for continuous filtration 110g Biomax media for max bacteria growth U2/U3/U4 Internal Filter Biomax 110g

**Brand:** fluval
**Price:** € 13.00
**Availability:** ✅ In Stock

## Summary

> 🧬 Elevate your aquarium’s ecosystem with Fluval Biomax – where science meets clarity!

## Quick Answers

- **What is this?** U2/U3/U4 Internal Filter Biomax 110g by fluval
- **How much does it cost?** € 13.00 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ie](https://www.desertcart.ie/products/254997824-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 stable bio-filtration
- • **Universal Compatibility:** Seamlessly fits Fluval U2, U3, and U4 internal filters
- • **Versatile Environment Use:** Perfectly engineered for both freshwater and marine ecosystems
- • **Trusted Genuine Fluval Media:** Premium quality ensures long-lasting, effective filtration
- • **Boost Beneficial Bacteria Growth:** Enhances your aquarium’s natural filtration for crystal-clear water

## Overview

Fluval Biomax 110g is a premium biological filter media designed specifically for Fluval U2, U3, and U4 internal filters. It promotes the growth of beneficial bacteria essential for maintaining healthy, clean water in both freshwater and marine aquariums. The unique half-replenish system ensures continuous filtration without disrupting your tank’s balance, making it a must-have for serious 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. Set Contains: Biomax

Review: Perfektes Filtermaterial fürs Aquarium.
Review: 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

## 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 |
| Allergen Information | Nut Free |
| Batteries Included | No |
| Best Sellers Rank | #34,254 in Pet Supplies ( See Top 100 in Pet Supplies ) #283 in Fish Medication & Health Supplies |
| Breed Recommendation | Mittlere Rassen |
| Color | White |
| Customer Reviews | 4.7 4.7 out of 5 stars (3,463) |
| Date First Available | 6 August 2012 |
| Flavor | Geschmacksneutral. |
| Item Form | Granules |
| Item Weight | 45.4 g |
| Item model number | A495 |
| Number of Items | 1 |
| Pet Life Stage | Adult Dogs |
| Pet Type | Fish |
| Product Dimensions | 6.86 x 3.81 x 26.92 cm; 45.36 g |
| Quantity | 1 |
| Size | 110 g (Pack of 1) |
| Special Features | Tragbar |
| Specific Uses | Indoor |
| batteries required | No |

## Product Details

- **Brand:** Fluval
- **Item form:** Granules
- **Item weight:** 45 g
- **Liquid volume:** 110 Liters
- **Manufacturer:** Hagen

## Images

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

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by I***L on 23 June 2025*

Perfektes Filtermaterial fürs Aquarium.

### ⭐⭐⭐⭐⭐ Review
*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

### ⭐⭐⭐⭐⭐ Review
*by M***Z on 11 December 2018*

muy buen material para la bacteria benéfica , cabe bien en el compartimento del fluval u3 destinado para la bacteria benéfica, mis peces discos estan muy agredecidos con este canister interno lo recomiendo ampliamente

## 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 Ireland*
*Store origin: IE*
*Last updated: 2026-03-05*