---
product_id: 103348164
title: "Fluval U Underwater Filter BioMax, 110 gm, Biological Filter Media for Freshwater, Marine or Reptile Environments"
brand: "fluval"
price: "$12.54"
currency: USD
in_stock: true
category: "Fluval"
url: https://www.desertcart.us/products/103348164-fluval-u-underwater-filter-biomax-110-gm-biological-filter-media
store_origin: US
region: United States of America
---

# Optimized for freshwater, marine & reptile tanks 170g ceramic bio rings for max bacteria growth Complex pore system enhances filtration efficiency Fluval U Underwater Filter BioMax, 110 gm, Biological Filter Media for Freshwater, Marine or Reptile Environments

**Brand:** fluval
**Price:** $12.54
**Availability:** ✅ In Stock

## Summary

> 🧪 Elevate your aquarium’s ecosystem with Fluval BioMax — where science meets serenity!

## Quick Answers

- **What is this?** Fluval U Underwater Filter BioMax, 110 gm, Biological Filter Media for Freshwater, Marine or Reptile Environments by fluval
- **How much does it cost?** $12.54 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/103348164-fluval-u-underwater-filter-biomax-110-gm-biological-filter-media)

## 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

- • **Compact Yet Powerful:** Lightweight 170g design fits seamlessly into your filter system without compromising performance.
- • **Trusted by Thousands:** With a 4.7-star rating from over 3,500 reviews, it’s the go-to choice for aquarium enthusiasts aiming for pristine water quality.
- • **Versatile Aquarium Compatibility:** Engineered for Fluval U2, U3, and U4 filters, and suitable across freshwater, marine, and reptile environments.
- • **Superior Ammonia & Nitrate Control:** Effectively reduces harmful toxins, promoting a healthier aquatic ecosystem and vibrant aquatic life.
- • **Thriving Beneficial Bacteria Habitat:** Ceramic bio rings with intricate pores create the perfect home for nitrifying bacteria, ensuring crystal-clear water.

## Overview

Fluval U Underwater Filter BioMax is a 170g ceramic bio media designed to optimize beneficial bacteria colonization through its complex pore system. Compatible with Fluval U2, U3, and U4 filters, it effectively reduces ammonia and nitrate levels, supporting freshwater, marine, and reptile tanks. Trusted by thousands, it ensures superior biological filtration for a healthier aquatic environment.

## Description

Fluvial biomax provides an optimal environment for beneficial bacteria growth. The bio rings have a complex pore system creating an optimal environment where beneficial bacteria can thrive.

## Features

- Biological Filter Media: Provides an optimal environment for the colonization and growth of beneficial bacteria
- Complex Pore System: Unique bio rings feature a complex pore system that maximizes surface area for bacterial colonization
- Water Quality Control: Reduces and controls ammonia and nitrate levels in aquarium water
- Versatile Application: Suitable for freshwater, marine or reptile environments
- Compatible Design: Designed for fluval u2, u3, u4 underwater filters
- Package Contents: Includes 110 grams of BioMax biological filter media for long-lasting filtration performance

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B001XRR2IM |
| Best Sellers Rank | #51,134 in Pet Supplies ( See Top 100 in Pet Supplies ) #517 in Filter Accessories |
| Brand Name | Fluval |
| Colour | multicoloured |
| Country of Publication | China |
| Customer Reviews | 4.7 4.7 out of 5 stars (3,605) |
| Global Trade Identification Number | 00015561104951 |
| Included Components | Fluval U Underwater BioMax Filter |
| Item Dimensions L x W x H | 6.9L x 3.8W x 26.9H Centimeters |
| Item Type Name | FLUVAL"U"FILTER BIOMAX: 110G |
| Item Weight | 0.13 Pounds |
| Manufacturer | Hagen |
| Manufacturer Part Number | A495 |
| Material Type | Ceramic |
| Model Number | A495 |
| Number of Items | 1 |
| Number of Packs | 1 |
| Power Source | Battery Powered |
| Product Style | BioMax |
| Specific Uses For Product | Indoor |
| UPC | 015561104951 |
| Unit Count | 1 Count |

## Product Details

- **Brand:** Fluval
- **Colour:** multicoloured
- **Global Trade Identification Number:** 00015561104951
- **Item Weight:** 0.13 Pounds
- **Manufacturer:** Hagen
- **Material:** Ceramic
- **Number of Packs:** 1
- **Power Source:** Battery Powered
- **Product Dimensions:** 6.9L x 3.8W x 26.9H Centimeters
- **Style:** BioMax

## Images

![Fluval U Underwater Filter BioMax, 110 gm, Biological Filter Media for Freshwater, Marine or Reptile Environments - Image 1](https://m.media-amazon.com/images/I/818XJ-6cv9L.jpg)
![Fluval U Underwater Filter BioMax, 110 gm, Biological Filter Media for Freshwater, Marine or Reptile Environments - Image 2](https://m.media-amazon.com/images/I/41-5A-fzNGL.jpg)
![Fluval U Underwater Filter BioMax, 110 gm, Biological Filter Media for Freshwater, Marine or Reptile Environments - Image 3](https://m.media-amazon.com/images/I/41qGaUZr+xL.jpg)
![Fluval U Underwater Filter BioMax, 110 gm, Biological Filter Media for Freshwater, Marine or Reptile Environments - Image 4](https://m.media-amazon.com/images/I/416wI+mPeWL.jpg)
![Fluval U Underwater Filter BioMax, 110 gm, Biological Filter Media for Freshwater, Marine or Reptile Environments - Image 5](https://m.media-amazon.com/images/I/41MyMS433RL.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 States of America*
*Store origin: US*
*Last updated: 2026-10-26*