Complete Air Supplies’ Australian-made 20mm Polyurethane Foam Pre-Insulated Poly Board Return Air Plenum Box (PB-RAB-T) offers a lightweight, fire-rated alternative to conventional sheet metal designs. Its aluminium-coated exterior and durable epoxy varnish enhance insulation and durability, making it a reliable choice for HVAC systems. The return air plenum efficiently gathers return air from conditioned spaces and channels it back to the system, promoting effective airflow and ventilation.

Equipped with multiple spigot options, this plenum box is designed to streamline air return from behind the return air grille. It integrates seamlessly with Complete Air Supplies’ grille range, making it ideal for commercial environments demanding superior thermal and acoustic performance. This innovative solution reflects the company’s commitment to quality and advanced Poly Board technology.

Size

326mm x 1170mm

2 x 400mm Spigots