---
product_id: 240311498
title: "SUNSUN Canister Filter Hw304A Hw304B Sealing Rubber Ring by Sun Microsystems, 1 Count"
brand: "sun company"
price: "€ 6.46"
currency: EUR
in_stock: true
url: https://www.desertcart.com.cy/products/240311498-sunsun-canister-filter-hw304a-hw304b-sealing-rubber-ring-by-sun
store_origin: CY
region: Cyprus
---

# Compact Size Durable Design Lightweight SUNSUN Canister Filter Hw304A Hw304B Sealing Rubber Ring by Sun Microsystems, 1 Count

**Brand:** sun company
**Price:** € 6.46
**Availability:** ✅ In Stock

## Summary

> 🔧 Seal the Deal with Quality!

## Quick Answers

- **What is this?** SUNSUN Canister Filter Hw304A Hw304B Sealing Rubber Ring by Sun Microsystems, 1 Count by sun company
- **How much does it cost?** € 6.46 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/240311498-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, guaranteeing a snug and secure seal.
- • **🔧 Easy Installation:** Quick and hassle-free installation means you can get back to enjoying your aquarium.
- • **🌊 Optimal Performance:** Enhances the efficiency of your canister filter, keeping your aquatic environment pristine.
- • **⚖️ Lightweight Wonder:** Weighing in at just 30g, it won’t add unnecessary bulk to your setup.
- • **🔒 Unmatched Durability:** Crafted to withstand the test of time, ensuring your filter operates flawlessly.

## Overview

The SUNSUN Canister Filter Sealing Rubber Ring is a high-quality replacement part designed for HW304A and HW304B models. With dimensions of 11.2 x 3.3 x 2.3 cm and a lightweight design of just 30g, this durable rubber ring ensures a perfect fit and optimal performance for your aquarium filtration system.

## Description

This is a durable product. It ensures you get the best usage for a longer period with a better experience.

## Features

- Sealing Rubber Ring. This is a durable product
- It ensures you get the best usage for a longer period

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | SUNSUN |
| Item model number | Sealing Rubber Ring For hw304A & 304B |
| Product Dimensions | 11.2 x 3.3 x 2.3 cm; 30 g |
| ASIN | B01JK9DQSO |

## Product Details

- **Material:** Rubber
- **Brand:** Sun Company
- **UPC:** 701807986633
- **Manufacturer:** (function(f) {var _np=(window.P._namespace("DetailPageProductOverviewTemplatesJava"));if(_np.guardFatal){_np.guardFatal(f)(_np);}else{f(_np);}}(function(P) {
    P.when('A').execute(function(A){
    A.on('a:truncate:po-attribute-truncate-3:updated', function(data) {
    var isTruncated = !data.truncateInstance.getIfTextFits();
    var seeMoreElement = document.getElementById('po-attribute-see-more-id-3');
    if(seeMoreElement) {
    seeMoreElement.style.display = isTruncated ?  ''  :  'none';
    }
    })
    });
}));  SUNSUN, No. 61-79, Baima Street, Maao Town, Dinghai District, Zhoushan City, Zhejiang Province. 0086 0580 8082088 / 8081168SUNSUN, No. 61-79, Baima Street, Maao Town, Dinghai District, Zhoushan City, Zhejiang Province. 0086 0580 8082088 / 8081168    See more
- **Net Quantity:** 1 count

## Images

![SUNSUN Canister Filter Hw304A Hw304B Sealing Rubber Ring by Sun Microsystems, 1 Count - Image 1](https://m.media-amazon.com/images/I/31Rrm21WXAL.jpg)

## Questions & Answers

**Q: Is this O ring for 304B?**
A: Yes it is

**Q: Do you have oring for sunsun 302?**
A: Please order this. Images kept wrongly at Amazon. 

https://www.amazon.in/dp/B01AKQ8LZO/ref=cm_sw_r_wa_api_glt_fabc_48SK9PCTTW5X63GBYWM1

**Q: Hi, will this also the fit the sunsun hw302?**
A: No, you need to buy separate O ring for Sunsun HW 302

**Q: Can be attached to  303a model**
A: Please order https://www.amazon.in/dp/B07CWFK55R/ref=cm_sw_r_wa_api_glt_fabc_Q39JSWGQ7EEYPGP63QAX

## Frequently Bought Together

- sunsun Canister filter HW304A HW304B sealing rubber ring by Sun Microsystems
- Marine Color Sunsun 9w Uv Lamp Bulb Spare Bulb Hw-303b 304b 404b Jup-01 Uv Filter Cf400uv Cf500uv G23 2 Pin
- SUN Replacement Impeller for SUNSUN Aquarium Canister Filter HW304A/HW304B Microsystems, Black, HW-304B Impeller

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.com.cy/products/240311498-sunsun-canister-filter-hw304a-hw304b-sealing-rubber-ring-by-sun](https://www.desertcart.com.cy/products/240311498-sunsun-canister-filter-hw304a-hw304b-sealing-rubber-ring-by-sun)

---

*Product available on Desertcart Cyprus*
*Store origin: CY*
*Last updated: 2026-04-23*