Description:

The 12″ Diameter Flange Collar Adapter – Start Connection is designed for use at the beginning of a single wall grease duct system, allowing a secure and fire-safe transition from the hood or equipment to the ductwork. Ideal for commercial kitchen exhaust systems, this adapter supports no-weld installation, saving time and labor while maintaining code compliance.

Manufactured from durable, high-temperature resistant steel, it is engineered to handle grease-laden and high-velocity airflow while ensuring long-term reliability.

Key Features:

• 12″ diameter – compatible with standard single wall duct systems

• Start connection – typically installed at hood or fan outlet

• Flange collar design for secure mechanical joining

• Supports no-weld installations

• Fire-rated, grease- and heat-resistantComplies with NFPA 96 standards

• Ideal for commercial kitchens, restaurants, and industrial exhaust systems