
Air Distribution Products: HHE/ASQD
AirVent family →The square ceiling diffuser is the default terminal of commercial ventilation: a modular face that blows in one, two, three or four directions to suit the zone it serves. Lay-in frames match standard ceiling grids, removable cores make cleaning a seconds job, and the pattern geometry mixes supply air into the room at low noise.

Model number
HHE-ASQD- (Way) (Size) (Colour) (Finish) - SAD (with damper)
Material
Aluminium
Finish
Powder coated
MOQ
20 Nos.
01
02
MOQ: 20 Nos.
| Model No. | Neck Size | Face Size |
|---|---|---|
| HHE/ASQD/150/295 | 150mm x 150mm | 295mm x 295mm |
| HHE/ASQD/225/370 | 225mm x 225mm | 370mm x 370mm |
| HHE/ASQD/300/440 | 300mm x 300mm | 440mm x 440mm |
| HHE/ASQD/375/520 | 375mm x 375mm | 520mm x 520mm |
03
04
05
06
The number of faces the diffuser blows from. Corner zones use 1- or 2-way, perimeter zones 3-way, and open-plan interiors 4-way for symmetric coverage.
More from Diffusers

One to four slots with adjustable pattern controllers: the modern architectural diffuser for premium interiors.

Grid-faced aluminium diffusers: the exposed-grid look with lay-in convenience for standard ceiling systems.

Concentric-cone round diffusers: radial 360° discharge patterns for high-comfort zones and exposed-duct ceilings.
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