Box Fans are essentially much of a muchness with the majority being assembled in the UK by variety of different companies. (normally Gorilla Box or Vortex)
Box Fans features include:
- 18mm outer MDF
- 12mm acoustic inner lining
- Torin Safin internal fans
- Anti-vibration system for fan to box attachment
- Well priced
Performance wise all box fans are very quiet by design, but they all perform poorly under pressure compared to inline duct fans. You can expect at least 50% air-flow drop when you add a carbon filter and a short run of ducting, the more ducting and bends you add the worse they perform. Because of this we recommend you buy one or two fan sizes up from what you actually need.