---
product_id: 504788756
title: "4 inch air stone (6 pack)"
brand: "coomatec"
price: "VT23730"
currency: VUV
in_stock: null
reviews_count: 8
url: https://www.desertcart.vu/products/504788756-4-inch-air-stone-6-pack
store_origin: VU
region: Vanuatu
---

# 4 x 2 inch large size Fits 3/16 inch tubing 0.66 lbs stable weight 4 inch air stone (6 pack)

**Brand:** coomatec
**Price:** VT23730
**Availability:** ❌ Out of Stock

## Summary

> 🌊 Elevate your aquatic game with humongous bubbles that make a splash!

## Quick Answers

- **What is this?** 4 inch air stone (6 pack) by coomatec
- **How much does it cost?** VT23730 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.vu](https://www.desertcart.vu/products/504788756-4-inch-air-stone-6-pack)

## Best For

- coomatec enthusiasts

## Why This Product

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

## Key Features

- • **Universal Fit:** Compatible with standard 3/16 inch airline tubing for seamless integration.
- • **Steady Bubble Power:** Large 4x2 inch cylinders ensure consistent oxygen flow for thriving aquatic life.
- • **Durable Silicon Carbide:** Washable, sturdy material that’s safe for fish and plants—built to last.
- • **Optimized for High Output:** Pairs best with 10W+ air pumps to maximize bubble production and water aeration.
- • **Versatile Ecosystem Booster:** Perfect for aquariums, koi ponds, and hydroponic setups to enhance growth and vitality.

## Overview

This 6-pack of large 4x2 inch silicon carbide air stones weighs 0.66 lbs each, sinking steadily to the tank bottom. Designed for 3/16 inch airline tubing and optimized for high-output pumps (10W+), they deliver consistent, health-boosting bubbles ideal for aquariums, koi ponds, and hydroponic systems.

## Description

Large Air Stone, Air Stone Hydroponics, 4 x 2 Inch Large Air Stone Cylinder Bubble Diffuser for Aquarium, Fish Tank, Pond and Hydroponics Air Pump, Growing System, Circulation

## Features

- -Stable in Water: Each cylinder measures 2" D x 4" H and weighs 0.66 lbs. It can easily sink to the bottom and stand stably in your tank for steady bubbles.
- -Fits for 3/ 16 inch standard airline tubing.
- -Recommended a high-output air pump at least 10W or a commercial air pump.If you feel that there are fewer bubbles, you can try using a high-power air pump, which will have a good effect
- -Reliable Material: Made from washable silicon carbide. The material is sturdy , it causes no effect on the health of your aquatics. Help keep fish or roots growing healthily.（ Soak the stone completely in water for 2 hours before use; Clean it regularly with a brush as they get clogged after weeks or months of usage）.
- -Widely Applicable: Fit for hydroponic systems, koi ponds, aquariums or fish tanks, and other systems, helping extend the life of your nutrient solution, keep fish/ roots healthy and promote plant growth.

## Images

![4 inch air stone (6 pack) - Image 1](https://m.media-amazon.com/images/I/71wFp4hN4sL.jpg)

## Available Options

This product comes in different **Color** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Outstand aerators
*by A***R on April 24, 2025*

Excellent product

### ⭐⭐⭐⭐⭐ Large stones, great price.
*by P***P on April 13, 2025*

Excellent! Would buy again. Very large, good bubbles. Great price!

### ⭐⭐⭐⭐⭐ Works
*by D***Y on April 10, 2025*

Heavy, work good

## Frequently Bought Together

- COOMATEC 6-Pack Large Air Stones, Humongous 4 x 2 Inch Round Air for Aquarium, Hydroponics, Fish Tank, Koi Pond, Cylinder Bubble Diffuser for Pump, Growing System
- AquaMiracle Aquarium Air Pump - 600/1000/1200/1750GPH, 18W/35W/58W/120W Air Pump for Fish Tank, Hydroponic & Pond Aerator
- Penn-Plax Standard Airline Tubing for Aquariums – Clear and Flexible – Resists Kinking – Safe for Freshwater and Saltwater Fish Tanks – 25 Feet

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**Shop now:** [https://www.desertcart.vu/products/504788756-4-inch-air-stone-6-pack](https://www.desertcart.vu/products/504788756-4-inch-air-stone-6-pack)

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*Product available on Desertcart Vanuatu*
*Store origin: VU*
*Last updated: 2026-03-15*