Description
The PennBarry 56337-0 duct transition is an OEM ventilation system accessory designed to adapt and redirect airflow between differing duct sizes in HVAC installations. With a 3-1/4″ x 10″ inlet/outlet configuration and a 6″ transition depth, this component is used to maintain proper airflow performance while connecting mismatched ductwork sections. It is commonly applied in PennBarry ventilation systems where efficient air movement and reduced turbulence are required. Built to original equipment standards, this transition fitting supports reliable system integration in commercial air handling setups.
Key Features
- Size: 3-1/4″ x 10″ x 6″ rectangular transition section
- Designed to connect mismatched HVAC duct sizes
- Helps maintain airflow efficiency and reduce turbulence







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