6" - 8" Ceiling Diffuser with Damper, Round, White

RectorSeal Airtec MV360 Ceiling Diffuser Assembly with Damper – 6", 7", and 8" Round Connections

The RectorSeal Airtec MV360 Ceiling Diffuser Assembly is a high-performance air distribution component engineered for fast installation and precise air volume control. Designed for professional HVAC applications, the MV360 series combines durability, adaptability, and efficient airflow management. Constructed from high-impact polymer, it integrates a round grille and an airtight adjustable damper, supporting multiple duct connection sizes for versatile field use.

Technical Specifications

• Manufacturer: RectorSeal
• Brand: Airtec
• Model Number: MV360
• Part Number: 81911
• Product Type: Ceiling Diffuser Assembly with Damper
• Nominal Face Size: 8 in. x 8 in.
• Duct Connection Sizes: 6 in., 7 in., and 8 in. (tear-off adjustment)
• Diffuser Shape: Round
• Material: High-Impact Polymer
• Finish: White, molded surface
• Mounting Method: Ceiling Mount with Swinging Retention Clips
• Damper Type: Integrated, virtually airtight; adjustable for volume control and seasonal shutoff
• Design Features: Quick tear-off bands for field size adjustment, tool-free installation
• Installation Time: Seconds – using clip-in ceiling engagement
• Application: HVAC air supply and return in commercial, residential, and institutional ceiling systems

Performance and Application

The Airtec MV360 diffuser assembly is engineered for efficiency in both new construction and retrofit installations. The tear-off sizing bands permit immediate field adjustment to accommodate 6", 7", or 8" ductwork, reducing the need for multiple SKU stocking and simplifying contractor workflow. The integrated damper provides reliable airflow balancing and tight shutoff for energy management and seasonal use. The unit’s polymer construction ensures corrosion resistance, dimensional stability, and low maintenance, while the snap-in mounting clips deliver secure installation without auxiliary hardware.

Summary

The RectorSeal Airtec MV360 Ceiling Diffuser with Damper provides a durable, adaptable, and installation-efficient air distribution solution for professional HVAC contractors. Its multi-size tear-off configuration, airtight damper, and precision-molded polymer design deliver long-term reliability and consistent performance in commercial and residential systems.