Internally Lined Male Collar
Our Internally Lined Male Collars are designed to provide secure connections within internally lined spiral ductwork systems while helping maintain acoustic and thermal performance throughout the ventilation installation.
These fittings are commonly used to join internally lined duct sections together within commercial and industrial HVAC systems where noise reduction and efficient airflow are important. Manufactured for durability and dependable performance, they provide a practical connection solution for acoustic ductwork systems.
Compatible / other products include Internally Lined Spiral Tube, Internally Lined 90° Spiral Ducting Bends, Internally Lined Volume Control Dampers, Spiral Ducting Tube, and Volume Control Dampers.
Suitable for commercial ventilation systems, offices, hospitals, schools, plant rooms, and general acoustic ductwork installations, these internally lined male collars help maintain efficient airflow and reduced noise levels throughout the system.