---
product_id: 269911692
title: "sunsun Canister filter HW304A HW304B sealing rubber ring by Sun Microsystems"
brand: "sun company"
price: "€ 15.41"
currency: EUR
in_stock: true
url: https://www.desertcart.com.cy/products/269911692-sunsun-canister-filter-hw304a-hw304b-sealing-rubber-ring-by-sun
store_origin: CY
region: Cyprus
---

# Aquatic compatibility Compact dimensions Durable design sunsun Canister filter HW304A HW304B sealing rubber ring by Sun Microsystems

**Brand:** sun company
**Price:** € 15.41
**Availability:** ✅ In Stock

## Summary

> 💧 Keep it Sealed, Keep it Real!

## Quick Answers

- **What is this?** sunsun Canister filter HW304A HW304B sealing rubber ring by Sun Microsystems by sun company
- **How much does it cost?** € 15.41 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.cy](https://www.desertcart.com.cy/products/269911692-sunsun-canister-filter-hw304a-hw304b-sealing-rubber-ring-by-sun)

## Best For

- sun company enthusiasts

## Why This Product

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

## Key Features

- • **Perfect Fit:** Designed specifically for HW304A & HW304B models.
- • **Seal the Deal:** Ensure a leak-proof experience for your aquatic setup.
- • **Sleek & Stylish:** Classic black color complements any aquarium aesthetic.
- • **No Batteries Needed:** Eco-friendly and hassle-free operation.
- • **Lightweight Champion:** Weighs only 30g for effortless installation.

## Overview

The Sunsun Canister Filter HW304A HW304B Sealing Rubber Ring is a vital component for maintaining a leak-proof seal in your aquarium setup. Weighing just 30g and designed specifically for the HW304A and HW304B models, this durable black rubber ring ensures optimal performance without the need for batteries. Perfect for fish and aquatic enthusiasts looking to enhance their aquatic environment.

## Description

sunsun Canister filter HW304A HW304B sealing rubber ring by Sun Microsystems

## Features

- sunsun HW304A HW304B sealing ring
- from sunsun company direct

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Pet Type | Fish and Aquatic |
| Product Dimensions | 11.2 x 3.3 x 2.3 cm; 30 g |
| Item model number | Sealing Rubber Ring For hw304A & 304B |
| Color | Black |
| Quantity | 1 |
| batteries required | No |
| Batteries Included | No |
| Item Weight | 30 g |

## Product Details

- **Material:** Rubber
- **Brand:** Sun Company
- **Colour:** Black
- **UPC:** 701807986633
- **Manufacturer:** sunsun

## Images

![sunsun Canister filter HW304A HW304B sealing rubber ring by Sun Microsystems - Image 1](https://m.media-amazon.com/images/I/31Rrm21WXAL.jpg)

## Questions & Answers

**Q: Will fhis fit the hw3000**
A: yes it fit for HW3000 filter

**Q: Will this fit the older Fluval 304?**
A: I think it should.

**Q: It fit for polar aurora 265gph?**
A: the hw303 version working with polar aurora 265gph

**Q: Has anyone tried these on the aquatop canister filters?**
A: i haven1t tried it but it could.

## Frequently Bought Together

- sunsun Canister filter HW304A HW304B sealing rubber ring by Sun Microsystems
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- SUN Replacement Impeller for SUNSUN Aquarium Canister Filter HW304A/HW304B Microsystems, Black, HW-304B Impeller

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**Shop now:** [https://www.desertcart.com.cy/products/269911692-sunsun-canister-filter-hw304a-hw304b-sealing-rubber-ring-by-sun](https://www.desertcart.com.cy/products/269911692-sunsun-canister-filter-hw304a-hw304b-sealing-rubber-ring-by-sun)

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*Product available on Desertcart Cyprus*
*Store origin: CY*
*Last updated: 2026-02-13*