MoorVent MVRS6-D Round Spiral Duct Register — With Integral Volume Damper
A purpose-built HVAC air supply register designed to mount directly onto round spiral duct — no boot, no transition, no sheet metal fabrication required. The curved saddle base fits tight to the duct and seats flush on the spiral, so installation is clean and secure with just the four screws provided.
Made from ASA polymer for lasting durability in humid, unconditioned, or sun-exposed spaces. Unlike metal duct registers, it won't rust or fade — ideal for exposed spiral duct systems in residential and commercial HVAC applications.
Rated for 100–120 CFM airflow. The MVRS6-D includes an integral volume damper for precise airflow balancing at the register — dial in each room without touching your ductwork. Want the no-damper option? See the MVRS6-ND.
