---
product_id: 2858745
title: "Fluval U3 Underwater Filter"
brand: "fluval"
price: "Rp376774"
currency: IDR
in_stock: true
category: "Fluval"
url: https://www.desertcart.id/products/2858745-fluval-u3-underwater-filter
store_origin: ID
region: Indonesia
---

# Versatile freshwater & marine use Effective chemical filtration Custom fit precision Fluval U3 Underwater Filter

**Brand:** fluval
**Price:** Rp376774
**Availability:** ✅ In Stock

## Summary

> 🌟 Elevate your aquarium’s clarity with precision filtration!

## Quick Answers

- **What is this?** Fluval U3 Underwater Filter by fluval
- **How much does it cost?** Rp376774 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.id](https://www.desertcart.id/products/2858745-fluval-u3-underwater-filter)

## 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:** Backed by a 4.6-star rating from over 1,300 enthusiasts who demand quality and reliability.
- • **Universal Aquatic Use:** Optimized for freshwater, marine, and reptile tanks—one filter to rule them all.
- • **Effortless Maintenance:** Easy-to-replace cartridge design means less hassle, more time enjoying your underwater world.
- • **Seamless Compatibility:** Tailored specifically for the Fluval U3 filter for a perfect fit every time.
- • **Advanced Chemical Filtration:** Keeps your aquatic environment crystal clear and toxin-free with high-performance poly/carbon media.

## Overview

The Fluval U3 Underwater Filter Poly/Carbon cartridge is a custom-designed replacement filter that delivers superior chemical filtration for freshwater, marine, and reptile tanks. Lightweight and easy to replace, it ensures optimal water quality and is highly rated by thousands of users for its reliability and performance.

## Description

Fluval U3 Underwater Filter Poly/Carbon

## Features

- Easy to replace
- Custom fit for the Fluvial U3 Filter
- Provides effective chemical filtration
- Works in freshwater, marine or reptile environments

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B001XRR3E0 |
| ASIN  | B001XRR3E0 |
| Allergen Information | Nut Free |
| Best Sellers Rank | #26,645 in Pet Supplies ( See Top 100 in Pet Supplies ) #244 in Aquarium Filter Accessories |
| Brand Name | Fluval |
| Customer Reviews | 4.6 4.6 out of 5 stars (1,304) |
| Date First Available  | September 7, 2010 |
| Department  | Unisex-Adult |
| Global Trade Identification Number | 00015561104913 |
| Included Components | Fluval U3 Underwater Filter Poly/Carbon |
| Is Discontinued By Manufacturer  | No |
| Item Form | Cartridge |
| Item Type Name | Fluval U3 Underwater Filter Poly/Carbon |
| Item Weight | 0.03 Kilograms |
| Item model number  | A491 |
| Manufacturer | Rolf C. Hagen (USA) Corp. |
| Manufacturer  | Rolf C. Hagen (USA) Corp. |
| Manufacturer Part Number | A491 |
| Model Number | A491 |
| Pet Type | Amphibian, Fish, Reptile |
| Product Dimensions  | 2.5 x 2.5 x 1.3 inches; 0.92 ounces |
| Target Species | Fish |
| UPC | 015561104913 |
| Unit Count | 1 Count |
| Warranty Description | Warranty |

## Product Details

- **Brand:** Fluval
- **Item Form:** Cartridge
- **Item Weight:** 0.03 Kilograms
- **Manufacturer:** Rolf C. Hagen (USA) Corp.
- **Unit Count:** 1 Count

## Images

![Fluval U3 Underwater Filter - Image 1](https://m.media-amazon.com/images/I/41pxTmVeEXL.jpg)

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**Shop now:** [https://www.desertcart.id/products/2858745-fluval-u3-underwater-filter](https://www.desertcart.id/products/2858745-fluval-u3-underwater-filter)

---

*Product available on Desertcart Indonesia*
*Store origin: ID*
*Last updated: 2026-06-16*