---
product_id: 254683857
title: "Sunsun Hw304B 525GPH Pro Canister Filter Kit with 9-watt UV Sterilizer"
brand: "sunsun"
price: "A$334"
currency: AUD
in_stock: true
reviews_count: 9
category: "Sun Sun"
url: https://www.desertcart.com.au/products/254683857-sunsun-hw304b-525gph-pro-canister-filter-kit-with-9-watt
store_origin: AU
region: Australia
---

# 525 GPH flow rate 9W built-in UV sterilizer 5-stage multi-media filtration Sunsun Hw304B 525GPH Pro Canister Filter Kit with 9-watt UV Sterilizer

**Brand:** sunsun
**Price:** A$334
**Availability:** ✅ In Stock

## Summary

> 💧 Elevate your aquarium game with pro-level clarity and care!

## Quick Answers

- **What is this?** Sunsun Hw304B 525GPH Pro Canister Filter Kit with 9-watt UV Sterilizer by sunsun
- **How much does it cost?** A$334 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.au](https://www.desertcart.com.au/products/254683857-sunsun-hw304b-525gph-pro-canister-filter-kit-with-9-watt)

## Best For

- sunsun enthusiasts

## Why This Product

- Trusted sunsun brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Self-Priming Pump:** Effortless startup—no manual siphoning needed, saving you time and hassle
- • **Built-in 9W UV Sterilizer:** Advanced algae & bacteria control for a visibly cleaner, healthier aquarium
- • **Turbocharged 525 GPH Flow:** Powerful circulation for crystal-clear water in tanks up to 150 gallons
- • **Customizable Media Baskets:** Flexible trays let you tailor filtration to your tank’s unique ecosystem
- • **5-Stage Pro Filtration System:** Mechanical, chemical & biological filtration with included premium media for pristine aquatic health

## Overview

The SunSun HW-304B is a professional-grade canister filter designed for freshwater and saltwater aquariums up to 150 gallons. Featuring a robust 525 gallons per hour flow rate, a 5-stage filtration system with premium carbon, ceramic rings, and bio balls, plus a built-in 9-watt UV sterilizer, it ensures superior water quality and algae control. Its self-priming pump and customizable media baskets make maintenance effortless and adaptable to your aquatic environment.

## Description

The SunSun HW-304B external 5-stage canister filter with built in UV sterilizer is ideal for tanks up to 150 gallon freshwater or saltwater aquarium. It is capable of handling up to 525 gallons per hour with 4 flexible media trays that allow you to add your media such as SunSun's activated carbons, ceramic rings or bio-balls (included) to achieve excellent mechanical, chemical and biological filtration. The HW-304B canister filter has a convenient self-priming pump that eliminates the need for manual siphoning.

Review: As described - Perfectly working.
Review: Noise very badly - Big noise coming from this

## Features

- HW-304B Pro Filtration Kit, Good for up to 150 gallon aquariums
- Flow rate: 525 GPH (2000L/Hr)
- Dimension: 11" L X 11" W X 17" H
- Pro Kit Includes Canister Filter w/9 Watt UV, 4 White Filter Pads, 1 Blue Coarse Pad, 4 Media Baskets
- Includes 1lb of Premium Filter Carbon, 1lb of Ceramic Rings and 1 Set of Bio Balls

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B00MH37484 |
| Allergen Information | Abalone Free |
| Batteries Included | No |
| Best Sellers Rank | #25,497 in Pet Supplies ( See Top 100 in Pet Supplies ) #1,355 in Aquarium Accessories |
| Color | White |
| Compatible Devices | Aquariums (up to 150 gallons) |
| Customer Reviews | 4.0 4.0 out of 5 stars (971) |
| Date First Available | 24 September 2014 |
| Item Weight | 7.71 Kilograms |
| Item model number | 39650 |
| Number of Items | 1 |
| Pet Life Stage | All Life Stages |
| Product Dimensions | 30.48 x 30.48 x 45.72 cm; 7.71 kg |
| Quantity | 1 |
| Size | HW-304B Pro |
| Specific Uses | Indoor |
| batteries required | No |

## Product Details

- **Brand:** SunSun
- **Coating description:** Multi Coating
- **Material:** Plastic
- **Photo filter effect type:** Ultraviolet
- **Photo filter thread size:** 11 Millimeters

## Images

![Sunsun Hw304B 525GPH Pro Canister Filter Kit with 9-watt UV Sterilizer - Image 1](https://m.media-amazon.com/images/I/41P87TUMk3L.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ As described
*by R***B on 11 December 2023*

Perfectly working.

### ⭐ Noise very badly
*by A***L on 20 January 2026*

Big noise coming from this

### ⭐ Defective
*by H***. on 1 July 2025*

Broke after 7 days of use just seconds after return time closed as if it was waiting. It made an electric charge and the whole house electricity went of. It's definitely defective and let water into the wires.

## Frequently Bought Together

- Sunsun Hw304B 525GPH Pro Canister Filter Kit with 9-watt UV Sterilizer
- AQUANEAT Replacement Canister Filter Pads Compatible with SUNSUN HW-304B/404B/704B/3000 CF500 Aquarium Filter Media Generic Floss
- Marine Color 9w Lamp Bulb, Spare Bulb for Sunsun Hw-303b 304b 404b Jup-01 Filter Cf400, Cf500, G23 2 Pin,

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**Shop now:** [https://www.desertcart.com.au/products/254683857-sunsun-hw304b-525gph-pro-canister-filter-kit-with-9-watt](https://www.desertcart.com.au/products/254683857-sunsun-hw304b-525gph-pro-canister-filter-kit-with-9-watt)

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*Product available on Desertcart Australia*
*Store origin: AU*
*Last updated: 2026-02-25*