8″ Ceiling Diffuser with Damper, 4-Way, Square

RectorSeal Airtec Diffuser Assembly — 81914, Four-Way MVE Diffuser with Damper, 8″

The RectorSeal 81914 Airtec Diffuser Assembly is a high-performance, four-way ceiling diffuser designed for efficient and uniform air distribution in HVAC systems. Featuring an 8-inch MVE connection with an integrated adjustable damper, this diffuser ensures precise airflow control and quiet operation. Constructed from durable, corrosion-resistant polymer, it provides long-lasting performance and clean aesthetics for residential and light commercial applications.

• Model number 81914 identifies this RectorSeal Airtec Four-Way Diffuser Assembly with integrated damper and 8-inch MVE connection.
• Features a four-way air distribution design for balanced airflow and consistent room comfort.
• Equipped with an adjustable damper to control airflow volume and balance system performance.
• Constructed from high-strength polymer for lightweight durability and resistance to corrosion or rust.
• Engineered for quiet, efficient air delivery in both residential and light commercial HVAC systems.
• Compact design allows easy installation into drop ceilings or duct openings.

Technical Data & Performance

• Type: Four-way diffuser assembly with damper
• Brand: RectorSeal
• Series: Airtec
• Model: 81914
• Design: Four-way air distribution pattern
• Material: Durable polymer (non-corrosive)
• Connection Type: MVE (Metal Vent End)
• Connection Size: 8 inches
• 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 damper for balancing and flow regulation
• Noise Level: Low sound level due to aerodynamic diffuser design
• Applications: Residential, multi-family, and light commercial HVAC installations
• Maintenance: Easy to clean surface; tool-free damper adjustment
• Corrosion Resistance: Non-metallic construction prevents rust and degradation
• Delivers quiet, efficient, and adjustable four-way airflow for improved comfort and air distribution performance.