Systemair RVK Duct Fan

Free UK Mainland Delivery on Orders over £60*
  • From £80.00
Item in Stock   |   Usually dispatched within 24 hours
  • Compact & durable
  • Powerful, energy efficient, with low noise output
  • Suitable as both an extractor fan or intake fan
  • Speed-controllable
  • Install in any position
  • Fitted with IEC socket
  • Maintenance-free and reliable
  • Includes mounting bracket
  • Made in Germany

Powerful, inline duct fans – RVKs have been a staple in grow rooms for years due to their low cost, high power and shelf life. RVK fans will run 24/7 for years without any issues.

The Systemair RVK fans come with mounting brackets included, so wherever you want your fan in your grow room, you can install it hassle free. They can also be paired up with a DiffuseAir for a complete ventilation system.

RVK fans are easily connected to other grow room ventilation equipment like carbon filters to remove odours or silencers to reduce noise. They’re speed controllable with triac or voltage.

PLEASE NOTE: 2m lead and UK plug sold separate here.

Systemair RVK Duct Fans

4" (100mm) RVK Fan - 100E2 A1
Flange size: 99mm
Maximum Airflow: 184m3/hr
Maximum Airflow with Filter: 138m3/hr
Power: 29 Watts
Casing: Plastic

5" (125mm) RVK Fan - 125E2 A1
Flange size: 124mm
Maximum Airflow: 220m3/hr
Maximum Airflow with Filter: 160m3/hr
Power: 29 Watts
Casing: Plastic

6" (150mm) RVK Fan - 150E2 A1
Flange size: 149mm
Maximum Airflow: 428m3/hr
Maximum Airflow with Filter: 330m3/hr
Power: 59 Watts
Casing: Plastic

6" (150mm) RVK Fan - 150E2 L1
Flange size: 149mm
Maximum Airflow: 720m3/hr
Maximum Airflow with Filter: 580m3/hr
Power: 109 Watts
Casing: Plastic

8" (200mm) RVK Fan - 200E2 A1
Flange size: 199mm
Maximum Airflow: 796m3/hr
Maximum Airflow with Filter: 705m3/hr
Power: 104 Watts
Casing: Plastic

8" (200mm) RVK Fan - 200E2 L1
Flange size: 199mm
Maximum Airflow: 1008m3/hr
Maximum Airflow with Filter: 815m3/hr
Power: 153 Watts
Casing: Plastic

10" (250mm) RVK Fan - 250E2 A1
Flange size: 249mm
Maximum Airflow: 860m3/hr
Maximum Airflow with Filter: 730m3/hr
Power: 109 Watts
Casing: Plastic

10" (250mm) RVK Fan - 250E2 L1
Flange size: 249mm
Maximum Airflow: 1080m3/hr
Maximum Airflow with Filter: 910m3/hr
Power: 159 Watts
Casing: Plastic

12" (315mm) RVK Fan - 315E2 A1
Flange size: 314mm
Maximum Airflow: 1361m3/hr
Maximum Airflow with Filter: 1125m3/hr
Power: 226 Watts
Casing: Plastic

How do I make a purchase?

Making a purchase is easy. Simply select your items, click 'Add to Bag'. The item will be added to your shopping bag. Review the items in your shopping bag by clicking the 'Basket’ link at the top of the page. Click on 'Checkout ' and follow the onscreen instructions to complete your order. If you have any problems we can help you, please contact us on 01642 224544 during our opening times.

What payment methods do you accept and is it safe to use my credit card online?

We accept Visa, MasterCard, American Express, Visa Debit, Visa Delta, and Maestro cards. All payments are processed through a secure checkout system provided by SagePay.

Can I place an order over the telephone?

For security purposes we prefer you to place an order online using our secure payment system. If however you are having difficulties placing an order online then we can assist you over the telephone.

Is my personal information kept private?

Please be assured that we consider all of the information you share with us to be totally private and confidential.

Which countries do you ship to?

At present we only ship to UK and Northern Ireland.

Am I able to track my order?

Yes. When we dispatch your order for delivery you will receive a unique tracking number by email. Once in receipt of this tracking number you can check the current status of your delivery.

Is my package insured and do I need to sign for my order?

All your purchases are insured against theft and accidental damage whilst in transit from Great Stuff Hydroponics to your delivery address. Once your package has been delivered and signed for at your specified address, it is no longer covered. To ensure that your purchases arrive safely and in perfect condition, we require proof of delivery for all orders and are unable to authorise for packages to be delivered without a signature.

How long will it take for me to receive my parcel and how much will the postage cost?

All UK orders are shipped by UK Mail Courier. All UK orders over £300 are delivered free of charge.?We aim to deliver your items as quickly as possible but please allow 2-3 working days.

Orders may be delivered to either business or residential addresses as long as the delivery address is the same as the one registered on the credit card. A signature is required for all Great Stuff Hydroponics orders so please use a delivery address where somebody is available to sign for the delivery.

How do I return an item?

Making a return is easy as we have a no quibble returns policy.  If unsuitable items are returned to us within 30 days of receipt we will be more than happy to offer you an exchange or refund provided that you return them to us in their original condition and packaging. 

Before you return an item please email us at to let us know and put a note in with the items you are returning with all your details and order number and reason for return.

When returning items you are strongly recommended to obtain proof of posting as we cannot accept responsibility for parcels lost in transit. We will only refund the cost of postage where the item returned is faulty.

Will I be refunded the full value of my order?

All correctly returned items will be refunded to the original purchaser’s credit card excluding all shipping costs, international customs duties and sales taxes.  Please note that card refunds may take up to 10 business days for your bank to complete, this can vary between card issuers. We will only refund the cost of postage where the item returned is faulty.

Please click the Delivery and Returns link at the bottom of the website for more information on delivery and returns or contact us with any questions.

Please note: Any items added to your basket with the stock message 'Delivery within 5-10 Days' may delay your orders dispatch time, we only send out once all items are ready to ship. It is best if you are in a hurry for an order to contact us first.

Please view our Payment & Security page here.