Duct size
350 x 75 mm
Ductlab · 350x75
350x75 Rectangular to Round 200mm (N15)
The 350x75 Rectangular to Round 200mm (N15) is a high-quality ductwork fitting designed to provide a seamless transition from rectangular to round ductwork. The fitting measures 350mm x 75mm in rectangular dimensions and has a 200mm diameter on the round end. Made from premium-grade galvanized steel, this fitting is durable and can withstand even the most extreme weather conditions. It is perfect for use in ventilation, heating, and air conditioning systems, as well as for industrial applications where air movement and circulation are critical. The N15 classification indicates that this fitting has been tested and approved to meet the highest industry standards for air leakage and duct performance. It is easy to install and can be used with a wide range of ductwork materials including aluminum, PVC, and fiberglass. Whether you’re looking to upgrade your existing ductwork system or install a new one, the 350x75 Rectangular to Round 200mm (N15) is an excellent choice that will provide years of reliable service. Order yours today and experience the difference that high-quality ductwork can make in your home or business.
Free area
0.0263 m²
Product code
350-1010N
How the profiles compare
Air velocity through each Ductlab profile at the same airflow — the flatter the duct, the faster the air has to move.
Metric
US Customary
Velocity is calculated from each profile's nominal free area (v = airflow ÷ area). Use it to compare profiles; refer to the installation guide for recommended limits.
Talk to our team
Tell us about your project and we'll help you select the right size and configuration.