SILENT BOX fans are cabinet ventilation units acoustically insulated. They are ideal to exhaust or intake the air through circular ducts in installations as: public locals, offices, shops, bars, gym, laboratories, toilets, workshops, restaurants. The wide thickness of the sound proofing material surrounding the fan, the reduced overall dimensions, the speed adjustable motor are essential characteristics in any installation requiring reduced spaces or low noise level.

This line consists of 7 models with spigot diameters from 125 up to 400 mm.

• Galvanized steel sheet casing with panels insulated with high density sound proofing material thickness 50mm
  
• Circular spigots for duct mounting
  
• Easy access panel
  
• Double inlet, double width forward curved blade centrifugal fan
  
• Mono-phase electric motor, IP44 or IP20, ISO B, with thermal protection, electronically speed adjustable
  

Accessories: Speed regulators - Butterfly shutters - Hose clamps - Protection grid (accessory) mandatory for free air.