Description:

The 22″ Diameter Single Wall Grease Duct – 48″ Fixed Length is a pre-fabricated straight duct section built for use in commercial kitchen exhaust systems. Manufactured from high-temperature, grease- and corrosion-resistant steel, this section ensures safe, efficient airflow while supporting compliance with NFPA 96 fire safety standards.

This 4-foot fixed-length section integrates seamlessly with elbows, adapters, access doors, and locking bands to form a complete grease duct system that is both durable and code-compliant.

Key Features:

• 22″ diameter x 48″ (4 ft) fixed straight length

• Single wall construction – strong, fire-safe, and easy to install

• Made from high-temp, grease-resistant steel for long-lasting use

• Compatible with mechanical joints, flanges, and no-weld connections

• NFPA 96 compliant – ideal for commercial kitchen ventilation

• Perfect for restaurants, food courts, hotels, and industrial exhaust systems