RVK Fans are manufactured in Germany, built to last these fans will help in the removal of hot stale air from your grow room and can also be used to provide fresh air ventilation for larger rooms. Systemair RVK inline fans are the most silent, reliable and best fans for moving large volumes of air in growrooms or greenhouses. Speed-controllable. Integral thermal contacts acc. EN 60335-2-80. Can be installed in any position. Inclusive mounting bracket. Maintenance-free and reliable. The RVK series is designed for installation in ducts. The casing is manufactured from PA6 fibreglass reinforced plastic which gives the fan a less leckage casing. Duct connected wet room applications of the fan are possible due to the air tight casing and the IP 44 rated terminal box.The fans have backward-curved blades and external rotor motors. The FK mounting clamp facilitates easy installation and removal, and prevents the transfer of vibration to the duct. The fans can be speed-controlled via a stepless thyristor or a 5-step transformer. To protect the motor from overheating RVK 100E2-A1 and 125E2-A1 have integrated thermal contacts with automatic reset. The models RVK 125E2-L1 up to RVK 315 have thermal contacts with manual reset.