28" x 17-1/2" Vertical Return Air Support Box – Galvanized Steel

This 28x17-1/2 Vertical Return Air Support Box is designed to provide structural framing and support for return air grille installations in HVAC systems.

Constructed from durable galvanized sheet metal, this support box helps ensure a secure, professional installation for residential and light commercial return air systems.

Specifications:

• Size: 28" x 17-1/2"

• Orientation: Vertical

• Material: Galvanized Steel

• Construction: Formed Sheet Metal

• Application: Return Air Support

Applications:

• Furnace return air systems

• Wall-mounted return grilles

• New construction HVAC installs

• Retrofit return air upgrades

Benefits:

• Provides structural stability

• Durable corrosion-resistant steel

• Professional installation support

• Compatible with standard return grilles

• Ideal for contractor use

Perfect for HVAC contractors requiring reliable vertical return air framing components.