500×75 Rectangular to Round 150mm
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- SKU: 500-1009
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The 500×75 Rectangular to Round 150mm adapter is a transition fitting connecting 500×75mm flat channel rectangular ducting to 150mm round ducting. This adapter manages the transition from the largest flat channel profile to standard 150mm round duct connections at system endpoints.
While the 500×75mm flat channel provides maximum airflow capacity, many inline fans, roof cowls, and exhaust outlets use 150mm round connections. This adapter bridges the gap, providing an aerodynamic transition that maintains effective airflow while changing duct shape and size.
Commonly used in residential and commercial ventilation installations where 500×75mm flat channel main duct runs connect to 150mm round duct terminal equipment. The smooth internal profile helps minimise turbulence and noise at the transition point.
Easy to install with push-fit connections on both flat channel and round duct sides. Seal all joints with duct tape for airtight performance. Compatible with all 500×75mm flat channel components and standard 150mm round ducting accessories.
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