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COLIBRI Free

Circular ceiling diffuser with nozzles for suspended installation
  • Rotatable nozzles
  • 100% flexible distribution pattern
  • Provision for vertical air diffusion
  • Swirl function
  • Substantial induction capacity
  • Designed for installation in rooms without suspended ceiling
  • Easy accessable
  • Can be supplied in a galvanized design
  • Standard colour White RAL 9003
    • 5 alternative standard colours
    •  Other colours upon request

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Technical specifications

AIR FLOW - SOUND PRESSURE ROOM (Lp10A) *)

COLIBRI Free   l/s   
Size 25 dB (A) 30 dB (A) 35 dB (A)
100 31 36 44
125 48 58 70
160 74 89 110
200 113 134 160
250 130 150 180
315 165 195 230
400 181 210 250

Data presented for an open damper. The product’s full working area in terms of pressure, flow and sound are evident from the sizing diagrams.

*) Lp10A = Sound pressure incl. A-filter with 4 dB room attenuation and 10 m2 room absorption area.

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Document Article Document type Size Format Download
Overview - Air diffusers Air diffusers Brochure 3.52MB pdf
Product description - Air diffusers & dampers Air diffusers & dampers Brochure 684.3kB pdf
Circular ceiling diffuser with nozzles for suspended installation COLIBRI Free b ProductSheet 6.58MB pdf
Installation, commissioning, maintenance COLIBRI Free b ProductSheet 6.99MB pdf