Designed for high-volume return air, this 900 x 550mm galvanised steel return air box features two 400mm beaded spigots for secure, low-leak duct connections. The rigid plenum supports grille mounting and maintains airflow efficiency with minimal pressure drop. Suitable for ceiling cavities and plantrooms in residential or light commercial HVAC installations. Confirm grille compatibility, spigot orientation, and service clearances before installation to achieve a neat, reliable outcome.

• 900 x 550mm face; 2 x 400mm beaded round spigots,Corrosion-resistant galvanised steel construction

$110.00

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