6" - 8" Ceiling Diffuser with Damper, 3-Way, Square

RectorSeal Airtec Diffuser Assembly — 81913, Three-Way MVE Diffuser with Damper, 6"–8"

The RectorSeal 81913 Airtec Diffuser Assembly is a premium, three-way ceiling diffuser designed to deliver efficient and balanced air distribution for HVAC systems. Featuring a 6"–8" MVE connection with an integrated adjustable damper, this diffuser allows precise control of airflow direction and volume. Constructed from durable polymer materials, it ensures corrosion resistance, quiet operation, and long service life in residential and light commercial installations.

• Model number 81913 identifies this RectorSeal Airtec Three-Way Diffuser Assembly with adjustable damper and 6"–8" MVE connection.
• Features a three-way air pattern design for optimal air distribution and coverage.
• Includes an integrated damper for easy airflow adjustment and balancing.
• Constructed from high-strength polymer for lightweight durability and corrosion resistance.
• Designed for quiet performance and even air dispersion across multiple zones.
• Compatible with 6-inch to 8-inch duct connections, providing installation flexibility.
• Ideal for residential, multi-family, and light commercial HVAC systems.

Technical Data & Performance

• Type: Three-way diffuser assembly with damper
• Brand: RectorSeal
• Series: Airtec
• Model: 81913
• Design: Three-way air distribution pattern
• Material: Durable, corrosion-resistant polymer
• Connection Size: 6"–8" MVE connection (adjustable)
• Damper Type: Integrated adjustable damper for precise airflow control
• Mounting Type: Ceiling-mounted for ducted HVAC systems
• Color: White (standard Airtec finish)
• Airflow Control: Adjustable airflow for balancing system efficiency
• Noise Level: Low noise due to aerodynamic diffuser design
• Applications: Residential and light commercial HVAC systems
• Maintenance: Easy to clean and adjust; no special tools required
• Corrosion Resistance: Polymer construction resists rust and degradation over time
• Delivers quiet, efficient, and adjustable three-way air distribution for superior comfort and system balance.