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Air Distribution Products: HHE/APQD

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Architectural Plaque Diffuser

The plaque diffuser hides the mechanism and shows the architecture: a solid disc held off the ceiling on stand-offs, discharging air radially through the gap. Nothing to adjust, nothing to collect dust: just a crisp architectural detail that happens to be a high-performance diffuser.

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Architectural plaque diffuser with a flat disc over a radial slot

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Specifications

  • Solid plaque face with radial discharge
  • Fixed pattern, no field adjustment
  • Aluminium, anodized or powder-coated
  • Lay-in and flush frames
  • Plenum box options
  • HHE/APQD · option HHE/APQD-D (with damper)

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Typical applications

  • Lobbies and boardrooms
  • Hotels and premium offices
  • Museums and galleries
  • Architectural ceiling schemes

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