Explore the world with our selection of control elements for your ventilation system

Controls are important elements in any ventilation system. They make it possible to control and regulate the ventilation system at all times. In this category you will find analog or digital controllers for fans that allow you to regulate speed, temperature, negative pressure and humidity. There are also CO2 fittings that help to regulate the flow of CO2. We also have speed controllers and EC digital speed controllers that allow you to control the air flow in your ventilation system. Browse through our selection of controls and find the perfect product for your ventilation system.

Expert knowledge from Mr. Hanf

As Europe's largest cannabis seed store with over 20 years of owner expertise, we have been sharing our knowledge with over 25.000+ customers since 2016.

Anniversary: 10 years Mr. Hanf

Market leader Europe 20+ years of experience 25,000+ customers 100% legal in Germany

More cannabis guides

Cannabis seeds expert for high-quality Cannabis seeds

For over 20 years, our heart has been beating for one thing: the Sale of cannabis seeds . At Mr. Hanf you will find a huge selection of feminized, autoflowering and regular Cannabis seeds from the best breeders in the world. To ensure that every single seed arrives fresh and full of potential, we pay meticulous attention to an unbroken cold chain and perfect storage. Overstocked goods? Not with us - you can rely on that.

But seeds are just the beginning. We have everything your grower heart desires: useful accessories, high-quality CBD products and, of course, tried-and-tested cultivation instructions. In our cannabis blog, we share our knowledge and passion with you - for your successful cultivation.

We make buying cannabis seeds easy, safe and personal. Rely on our expertise when you shop online. Buy cannabis seeds and hemp products want - Mr. Hanf is your reliable partner .

Legal notice: Mr. Hanf sells cannabis seeds exclusively for collection or souvenir purposes. According to the Austrian Narcotics Act, the possession and purchase of Cannabis seeds is legal. However, the cultivation of cannabis plants containing THC is prohibited. Responsibility for compliance with the applicable laws lies solely with the buyer.

Contact us

MRH N-Trade GmbH
School Street 7
6161 Natters

E-Mail: info@mr-hanf.de
Tel: +43 512 312 411

Opening hours

Mon, Tue, Wed, Thu:
10:00 – 12:00 & 13:00 – 15:00
Fri: 10:00 - 12:00 & 13:00 - 14:00