---
product_id: 64732601
title: "U1 Underwater Filter"
brand: "fluval"
price: "NT$3809"
currency: TWD
in_stock: true
url: https://www.desertcart.tw/products/64732601-u1-underwater-filter
store_origin: TW
region: Taiwan
---

# Optimal filtration Whisper-quiet operation Adjustable flow rate U1 Underwater Filter

**Brand:** fluval
**Price:** NT$3809
**Availability:** ✅ In Stock

## Summary

> 💡 Filter Smart, Live Clean!

## Quick Answers

- **What is this?** U1 Underwater Filter by fluval
- **How much does it cost?** NT$3809 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.tw](https://www.desertcart.tw/products/64732601-u1-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

- • **Versatile Use:** Perfect for both supplemental and stand-alone filtration.
- • **Compact Design:** Fits seamlessly in environments up to 15 gallons.
- • **Complete Package:** Includes foam pad and output diverter for maximum efficiency.
- • **Silent Performance:** Enjoy tranquility with whisper-quiet operation.
- • **Effortless Installation:** Set it up in minutes, no hassle!

## Overview

The Fluval U1 Underwater Filter is a compact and efficient filtration solution designed for aquariums up to 15 gallons. Manufactured by Rolf C. Hagen (USA) Corp., it features a simple installation process, adjustable flow rate, and operates silently, making it ideal for both supplemental and stand-alone use.

## Description

U1 Underwater Filter

## Features

- Filters debris and provides optimal biological filtration
- Simple to install and maintain
- Silent and efficient
- Ideal supplemental or stand-alone filter or for installations where external filtration is not possible
- Comes complete with adjustable flow rate, 1 foam pad and output diverter
- For use in environments up to 15 gallons

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Rolf C. Hagen (USA) Corp. |
| Country of Origin | USA |
| Language | English |
| Item model number | A465 |
| Product Dimensions | 10.16 x 7.62 x 15.24 cm; 509 g |
| ASIN | B0020K966M |

## Product Details

- **Brand:** Fluval
- **Package Information:** Box
- **Installation Type:** Internal
- **Power Source:** Corded Electric
- **Item Weight:** 1.12 Pounds
- **Model Name:** HAGEN FLUVAL U1 UNDERWATER FILTER
- **Maximum Flow Rate:** 250 Liters Per Hour
- **EU Spare Part Availability Duration:** 2 Years
- **Supported Water TDS Level Maximum (PPM):** 350
- **UPC:** 015561104838 015561104654

## Images

![U1 Underwater Filter - Image 1](https://m.media-amazon.com/images/I/81HnA649hVL.jpg)

## Questions & Answers

**Q: Is it suitable for a 2 feet × 1.5 × 1.5 ie approximately  33 gallons tank. Is it repairable if it breaks down?**
A: Dear sirYes you can use this filter for your aquarium and you can go with Hydor internal filter 80-150 .Please check given link below.http://www.amazon.in/Hydor-Internal-Filter-80-150-Liter/dp/B00C7DCLP0?_encoding=UTF8&keywords=hydor%20internal%20filter%2080-150&portal-device-attributes=desktop&qid=1502196224&ref_=sr_1_1&sr=8-1RegardsAartiAquanature

**Q: Does this filter really makes water cyrstal clear??**
A: Yes, it does..

**Q: It is suitable for 4ft X 1.5 ft X 2ft tank?**
A: I would go for U3 min

**Q: i have a 6 feet tank and 8 sharks in it.. is it suitable for 6ft tank?**
A: Dear sirNo this filter is not at all suitable for your aquarium because this is very small size filter and it wont support your tank.As per our knowledge don't go with internal filter go with external filter because internal filter results our good for small aquarium only.We suggest you to go with Hydor professional 600 or eheim classic 600 2217.RegardsAartiAquanature

## Frequently Bought Together

- Fluval U1 Underwater Filter – Designed for Freshwater and Saltwater Aquariums, Also Ideal for Terrariums and Turtle Tanks
- Fluval U1 Bio-Foam Pad, Replacement Underwater Aquarium Filter Media, A485,Black
- Fluval U Underwater Filter BioMax

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*Product available on Desertcart Taiwan*
*Store origin: TW*
*Last updated: 2026-03-13*