---
product_id: 28383586
title: "Cobalt International ACI50005 Ceramic Round Rings Biological Filter for Aquarium, Large"
brand: "cobalt international"
price: "R551"
currency: ZAR
in_stock: true
category: "Misc."
url: https://www.desertcart.co.za/products/28383586-cobalt-international-aci50005-ceramic-round-rings-biological-filter-for-aquarium
store_origin: ZA
region: South Africa
---

# Cobalt International ACI50005 Ceramic Round Rings Biological Filter for Aquarium, Large

**Brand:** cobalt international
**Price:** R551
**Availability:** ✅ In Stock

## Quick Answers

- **What is this?** Cobalt International ACI50005 Ceramic Round Rings Biological Filter for Aquarium, Large by cobalt international
- **How much does it cost?** R551 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.za](https://www.desertcart.co.za/products/28383586-cobalt-international-aci50005-ceramic-round-rings-biological-filter-for-aquarium)

## Best For

- cobalt international enthusiasts

## Why This Product

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

## Description

Cobalt Ceramic Rings are ideal for boosting biological filtration in larger filtration systems. The rings are extremely porous, providing tremendous surface area for nitrifying bacteria to thrive. Included media bag allows for quick and easy replacement. The unique design promotes maximum water flow and oxygenation. They are ideal for use in reef, marine and freshwater applications. Ceramic Rings provide 21000 cubic feet of total surface area.

## Features

- Cobalt Ceramic Round Rings Biological Filter Large
- Cobalt Ceramic Rings are ideal for boosting biological filtration in larger filtration systems
- The rings are extremely porous, providing tremendous surface area for nitrifying bacteria to thrive

## Images

![Cobalt International ACI50005 Ceramic Round Rings Biological Filter for Aquarium, Large - Image 1](https://images-na.ssl-images-amazon.com/images/I/41HZac8lY4L.jpg)
![Cobalt International ACI50005 Ceramic Round Rings Biological Filter for Aquarium, Large - Image 2](https://images-na.ssl-images-amazon.com/images/I/316KK7c0ZZL.jpg)

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**Shop now:** [https://www.desertcart.co.za/products/28383586-cobalt-international-aci50005-ceramic-round-rings-biological-filter-for-aquarium](https://www.desertcart.co.za/products/28383586-cobalt-international-aci50005-ceramic-round-rings-biological-filter-for-aquarium)

---

*Product available on Desertcart South Africa*
*Store origin: ZA*
*Last updated: 2026-03-18*