Ralight wall fan 50cm
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Wall fans are ideal for areas where every meter of space is used. By attaching a fan to the wall, you prevent any airflow from
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Ralight fans
Choose a 45 or 50 cm Ralight wall fan to circulate air in your grow room. Both models offer three speed settings, oscillation and a vertically adjustable head. We help you match the fan to your mounting position, available space and the air movement your plants need.
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Ralight wall fan 45cm
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Looking for a powerful and efficient wall fan? Look no further than the Ralight wall fan 18′! With its sturdy construction, adjustable angle and three
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Choose the position before the diameter
A wall fan keeps floor space free. Before buying, identify a load-bearing mounting point and measure the clearance for the complete fan, bracket and oscillation. The nominal diameter is not the overall size of the unit.
The 45 cm Ralight has 50, 60 and 90 W settings. The 50 cm Ralight has 70, 80 and 110 W settings. Assess the larger size and higher power alongside your available space. Extra power cannot compensate for poor placement.
Start on a low setting and direct air along the crop. Check for gentle leaf movement in several places. If leaves are constantly pushed flat, adjust the direction, distance or speed.
Compare the 45 and 50 cm Ralight fans
| Feature | Ralight 45 cm · Ral-WF18 | Ralight 50 cm · Ral-WF20 |
|---|---|---|
| Nominal diameter | 45 cm | 50 cm |
| Power at settings 1 / 2 / 3 | 50 / 60 / 90 W | 70 / 80 / 110 W |
| Speed settings | 3 | 3 |
| Oscillation | Yes | Yes |
| Vertically adjustable direction | Yes | Yes |
| Mounting | Wall | Wall |
Advice on mounting and airflow
All climate and air advice
Climate & air 3 minGrow tent fan placement: mounting and airflowFind a suitable mounting point, adjust the airflow and check sheltered corners. Practical fan placement advice for grow tents and grow rooms.
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Ralight fan questions answered
Need help choosing a Ralight fan?
Tell us your mounting position, available space and preferred model. We help you assess the version and placement.
Suitable load-bearing mounting point
Clearance for grille and oscillation
Circulation and extraction planned separately
Fine-tuning air circulation
Check air movement behind large plants and in sheltered corners. Oscillation varies the direction, but blocked airflow still needs attention. Repeat the check as the crop grows taller or denser.
Measure temperature and humidity at crop level. If readings remain too high, assess extraction and incoming air as well. A circulation fan does not actively cool the incoming air or remove moisture from the room.
Allowing for power and maintenance
Calculate energy use as power in watts ÷ 1000 × operating hours. Eight hours at 90 W is 0.72 kWh; at 110 W it is 0.88 kWh. These are examples using the highest stated setting, not our own power measurements.
Keep the grille and mounting accessible. Unplug the fan before cleaning or changing its mounting. Check the cable and fixings regularly and keep water away from the motor and connections.