Return Air Plenum
Staark Return Air Plenums are designed for grilles and diffusers requiring larger volume chambers for low-noise, balanced return air. Available in sheet-metal or pre-insulated phenolic, PIR, or PU construction with configurable spigots and orientations.
- Sheet-metal or pre-insulated options (phenolic / PIR / PU)
- Custom spigots and orientations
- Material: galvanised steel 0.4-1.0 mm or insulated panels
- Designed for return grilles and diffusers
- Airtight, quiet distribution
- AS 4254.2 (AU/NZ) - duct construction
- SMACNA HVAC Duct Construction Standards
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Metal Grilles & Diffusers engineered for consultants and architects who demand both aesthetic precision and documented airflow performance
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Return Air Plenum
Provides balanced airflow return with straightforward installation.