Gray North 30x8x48 Galvanized Trunk Duct S&D HVAC 4ft

Overview

Install a durable and reliable main trunk line with this 30″ x 8″ x 48″ Galvanized Rectangular HVAC Duct by Gray North.

Designed for residential and commercial forced-air systems, this 4-foot trunk duct section provides efficient air distribution for supply or return runs. The Slip & Drive (S&D) connection allows for quick assembly using standard S-cleats and drive cleats, making installation fast and secure on job sites.

Manufactured from heavy-duty galvanized steel, this duct section resists corrosion while maintaining structural rigidity over long spans.

Specifications:

• Size: 30″ Width x 8″ Height

• Length: 48″ (4 Feet)

• Material: Galvanized Steel

• Connection: Slip & Drive (S&D)

• Construction: Formed rectangular trunk duct

Ideal For:

• Main trunk lines

• HVAC system upgrades

• New residential installs

• Commercial duct systems

• Supply or return air applications

Compatible with standard HVAC fittings, take-offs, dampers, transitions, and plenums.

Built for professional HVAC contractors who need reliable ducting components for long-lasting system performance.

Product details

Part / SKU	30X8X48-125SD

Package includes

• Gray North 30x8x48 Galvanized Trunk Duct S&D HVAC 4ft

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