---
product_id: 130883888
title: "CO2 Cylinder Tank W21.8 CGA320 Adapter Converter for Aquarium Fish Tank CO2 tank W21.8 or CGA320 adapter converter(CGA320 convert to W21.8)"
brand: "fdit"
price: "¥3974"
currency: JPY
in_stock: true
url: https://www.desertcart.jp/products/130883888-co2-cylinder-tank-w21-8-cga320-adapter-converter-for-aquarium
store_origin: JP
region: Japan
---

# Aquarium compatible Durable brass Easy installation CO2 Cylinder Tank W21.8 CGA320 Adapter Converter for Aquarium Fish Tank CO2 tank W21.8 or CGA320 adapter converter(CGA320 convert to W21.8)

**Brand:** fdit
**Price:** ¥3974
**Availability:** ✅ In Stock

## Summary

> Transform Your Aquarium Experience! 🌊

## Quick Answers

- **What is this?** CO2 Cylinder Tank W21.8 CGA320 Adapter Converter for Aquarium Fish Tank CO2 tank W21.8 or CGA320 adapter converter(CGA320 convert to W21.8) by fdit
- **How much does it cost?** ¥3974 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/130883888-co2-cylinder-tank-w21-8-cga320-adapter-converter-for-aquarium)

## Best For

- fdit enthusiasts

## Why This Product

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

## Key Features

- • **Built to Last:** Crafted from high-quality brass for long-lasting durability.
- • **User-Friendly Design:** No special skills needed—just twist to install!
- • **Seamless Compatibility:** Easily connects paintball CO2 tanks to keg systems.
- • **Whisper-Quiet Operation:** Enjoy a serene aquarium environment with no noise.
- • **Versatile Sizing Options:** Choose between two sizes to fit your specific needs.

## Overview

The CO2 Cylinder Tank W21.8 CGA320 Adapter Converter is a high-quality brass accessory designed for aquarium enthusiasts. It allows for easy attachment of paintball CO2 tanks to existing keg systems, ensuring a stable and quiet operation. With user-friendly installation and two size options, this durable converter is perfect for enhancing your aquarium setup.

## Description

CO2 Cylinder Tank W21.8 CGA320 Adapter Converter for Aquarium Fish Tank CO2 tank W21.8 or CGA320 adapter converter(CGA320 convert to W21.8)

## Features

- Made of high quality brass material, durable and long lasting.
- It allows you to attach a paintball CO2 tank to your existing keg system CO2 regulator.
- Stable, quiet and no noise. Can be used for CO2 regulator at the aquarium.
- Easy to install, just twist by hand, no high installation skill required.
- 2 sizes available, you can choose the right one you need. Great kits for your aquarium tank.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | Fdit |
| Model Number | Fdit1gzeg79hdkx-02 |
| Material | metal |
| Item Weight | 100 g |

## Images

![CO2 Cylinder Tank W21.8 CGA320 Adapter Converter for Aquarium Fish Tank CO2 tank W21.8 or CGA320 adapter converter(CGA320 convert to W21.8) - Image 1](https://m.media-amazon.com/images/I/51rWBtAkhIL.jpg)

## Frequently Bought Together

- CO2 Cylinder Tank W21.8 CGA320 Adapter Converter for Aquarium Fish Tank CO2 tank W21.8 or CGA320 adapter converter(CGA320 convert to W21.8)
- CO2 Cylinder Tank W21.8 CGA320 Adapter Converter for Aquarium Fish Tank CO2 tank W21.8 or CGA320 adapter converter(W21.8 convert to CGA320)

---

## 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.jp/products/130883888-co2-cylinder-tank-w21-8-cga320-adapter-converter-for-aquarium](https://www.desertcart.jp/products/130883888-co2-cylinder-tank-w21-8-cga320-adapter-converter-for-aquarium)

---

*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-02-06*