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Air Distribution / Sidewall Diffusers

Parapet diffuser BL-V

Installation in window parapets above existing fan coil units. For facade screening when cooling and heating; it also enables the ventilation of workplaces next to the facade.


  • Parapet outlet consisting of a double-row, adjustable induction outlet and a multiplex outlet
  • Vertical jet for facade screening and - where required - broadly spread air jet inclined to room for individual workplace ventilation
  • No tangential air patterns causing thermal discomfort
  • Ideal for replacing simple supply air grilles in window parapets to improve indoor air flow


Volume flow rate range:

up to 200 l/s [720 m³/h]

Nominal lengths:

800, 1 025, 1 250 and 1 550 mm

Nominal width:

202 mm

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