Global Air Supplies - RadAir Fan


Size: 4" (100mm) - 200m3/hr
Sale price£45.99

A Radical New Mixed-Flow Inline Fan From Global Air Supplies

RadAir is a cost-effective entry-level fan that delivers high air volumes at high air pressure. Ideal for beginners, RadAir mixed flow fans offer a high-power, low noise solution without compromising on air delivery.

Recommended Additional Purchase

Check out our CarboAir and Rhino Pro carbon filters.

How Global Air Supplies RadAir Fans Work

Global Air Supplies RadAir duct fans are high-quality intake/outlet fans for extracting old, stale air from your grow-space or for supplying it with fresh air. The fans are housed in a lightweight yet robust casing with external ports for easy connection to ducting, filters, airsocks or other accessories. The fan can be powered directly from the mains or via a fan-speed controller (not included) to regulate the fan-speed and air-flow. Global Air Supplies RadAir fans are very well-made and reasonably quiet during use. A bracket is included for ease of mounting.

Airflow Rates

4-Inch: 200 m3/hour
10-Inch: 1500 m3/hour
12-Inch: 1360 m3/hour

To see our full Duct Fans range, click here



1 x Global Air Supplies RadAir Fan (choose your size above)

The Global Air Supplies RadAir Fan will require an IEC cable, you can purchase one here.


  • Great value for money
  • Robust, sealed-body unit with built in mounting brackets
  • Available in six different sizes, offering plug & play functionality
  • IEC connection to make installation and use simple and hassle-free
  • The Global Air Supplies RadAir Fan will require an IEC cable, you can purchase one here.

How To Use

How to Use Global Air Supplies RadAir Duct Fans

Global Air Supplies RadAir fans can be used to draw air out of your grow-space via a carbon filter or just ducting. The fan can be mounted in the required location using the bracket provided. Many users prefer to use bungees to hang the fan from, which usefully reduce noise and vibration. The fan should be mounted so that the required air-flow direction matches the arrow mark on the casing. On the output side of the fan, slide your ducting over the outlet sleeve and secure it in place with a Duct Clip (not included).

Repeat for the inlet side or a fast-clamp can be used to connect the fan directly on to a carbon filter. If a carbon filter is to be fitted it is important that the filter is rated at a similar air-flow as the fan. An electrical feed to the Global Air Supplies RadAir duct fan is required which can be directly from the mains or via a fan-speed controller.

Do not under any circumstances put your fingers into the spinning blades of a fan, especially an in-line type. Even a small fan has enough power to cause severe injury and loss of fingers. Just don't do it, no matter how tempted you are. Keep ducting runs as short as possible as every metre of ducting reduces the flow-rate that the fan can achieve. The more ducting attached, the lower the air-flow.

Bear in mind that a carbon filter will reduce the air-flow that your Global Air Supplies RadAir duct fan can achieve by about 25% just on it's own. When turning a corner with ducting try to create a swept bend rather than a sharp knee as this will reduce air-flow by the least amount and also help to keep wind-noise down. To further keep wind-noise down to a minimum, stretch flexi-ducting out as much as possible or use acoustic ducting.

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