Gray North 28×24-1/2 Vertical Return Air Box Support MFG#393-0024

Gray North 28″ x 24-1/2″ Vertical Return Air Support Box

MFG# 393-0024 | Galvanized Steel | Vertical Configuration

This heavy-duty Vertical Return Air Support Box is designed for secure installation of return air grilles in residential and commercial HVAC systems.

Fabricated from galvanized sheet metal, this return air box provides structural support and proper airflow transition within wall cavities or vertical return applications.

Key Features:

• 28″ x 24-1/2″ opening

• Vertical orientation

• Galvanized steel construction

• Reinforced formed sheet metal

• Designed for return grille mounting

• Contractor-grade fabrication

Ideal Applications:

• Vertical wall return air systems

• Custom HVAC duct fabrication

• Residential new construction

• Commercial HVAC installations

• Return grille support installations

Built for durability and long service life, this support box ensures proper airflow management and professional-grade installation standards.

Perfect for HVAC contractors, sheet metal installers, and commercial mechanical projects.

Product details

Part / SKU	393-0024

Package includes

• Gray North 28×24-1/2 Vertical Return Air Box Support MFG#393-0024

Included components and any stated pack quantity are as described in this listing. Optional accessories shown separately are sold separately unless expressly included above.