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Air Distribution / Floor Diffusers

NTK floor twist diffuser DB-N-DN 215

Installation in floor plenums; air supply from below, with vertical jet axis.​


  • Slim vertical jet with intensive indoor air admixture
  • For low floor plenums, installation with floor insert in floor orifices
  • Twist element and clamp insert made of plastic
  • For air connection to the ‘pressurized plenum’ System
  • Floor insert with perforated throttle disk
  • Available on request with central recess to accommodate floor covering


Volume flow rate range:

8.5 – 16.5 l/s [30 – 60 m³/h]

Nominal size:

DN 215

To find out how you could benefit from our product, talk to an expert today on 0203 912 6222 or fill out the form below