110mm/150mm to 4''/6'' Concentric Increaser

InnoFlue Concentric Increasers provide a versatile solution designed to enhance your exhaust system's performance and adaptability. Transition to a larger diameter while maintaining flow with centric vent design and combustion air intake. Evaluated to UL1738 and ULCS636 by ICC, InnoFlue Increasers optimize the vent layout for maximum efficiency. InnoFlue Concentric Increasers have the same powder white exterior as all InnoFlue Concentric Components.

• Integrated combustion air intake and exhaust reduces components.
• Optimizes vent system efficiency.
• Evaluated to UL1738 and ULCS636 by ICC.
• Durable and lightweight.
• Installs quickly & easily without glues, primers, or solvents.