This 750 x 550mm return air box is manufactured from galvanised steel for long service life in HVAC environments. Equipped with two 400mm beaded spigots, it enables rapid, secure connections to flexible ducting and helps maintain airflow with low leakage. The robust plenum supports grille mounting in ceilings or plantrooms and suits residential or light commercial systems. Check grille compatibility, spigot orientation, and available clearances before installation for a clean, efficient outcome.

• 750 x 550mm face; 2 x 400mm round beaded spigots,Rigid galvanised steel plenum for return air duties

$99.00

Call To Order

Order On Whats App

Send Us A Query

Delivery Options

2hrs. Delivery within 2 hrs.

3hrs. Delivery within 3 hrs.

4hrs. Delivery within 4 hrs.

6hrs. Delivery within 6 hrs.

Quantity

Add to cart