5″ (125mm) RVK L1 Inline Fan – 323m3/h
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5″ (125mm) RVK L1 Inline Fan – 323m3/h



RVK 125 L1

Technical Data of the RVK 125 L1 Fan
Model:Max Air Flow


Max Air Flow

with Filter m3/h

Pressure Drop with Filter



The RVK 125 L1 is a high powered, affordable and dependable 125mm or 5 inch inline fan, designed to be used in grow room ventilation systems to control your climate.

Made in Germany by industry leaders Systemair, the RVK fan range has been the go-to fan for experienced growers for decades due to their unbeatable reputation. RVK fans are quiet, powerful, low cost and practically indestructible – the RVK 125 L1 will last years of running all day every day with no problems.

The RVK 125 L1 can be set up anywhere you need it in your grow room ventilation system as it comes with mounting brackets for ease of installation. We recommend using the RVK 125 L1 as a grow room intake fan and using one of Systemair’s other sealed fans for your grow room extractor fan – however, the RVK 125 L1 is very versatile and will work wherever you need it in your grow room ventilation set up – you can even couple it with our DiffuseAir for a total ventilation system for your indoor environment.

The RVK 125 L1 is easily attached to your other ventilation kit like carbon filters or silencers for a very quiet grow room. The RVK 125 L1 is low wattage and high output, capable of a maximum air flow of 323 m3/h.

All RVK fans are speed controllable with voltage or triac. RVK fans don’t come wired, but it is easily done with a length of 3 core cable and 3 pin plug

  • The impeller is balanced dynamically, reducing noise and vibrations
  • Backwards curved motorised impeller to improve energy efficiency
  • Suitable to ventilate damp and wet rooms – IP44 rated
  • Designed to run 24/7 with no issues
  • Thermal motor protection prevents overheating
  • Control speed with triac or voltage
  • Made in Germany
  • Maintenance free and reliable quality
  • Durable casing – 30% fibreglass reinforced polypropylene
  • Mounting bracket included
  • Power 58 Watts