6″ x 6″ Ceiling Diffuser, 3-Way, White

RectorSeal Airtec Diffuser Assembly — 81903, 6 x 6 Inch, Square Polymer Diffuser

The RectorSeal 81903 Airtec Diffuser Assembly is a compact, high-quality air distribution component designed for efficient airflow and clean installation in HVAC systems. Featuring a 6 × 6 inch square design made from durable polymer material, this diffuser provides quiet, balanced air dispersion in residential and light commercial applications. Engineered for quick installation, it integrates seamlessly with duct systems to deliver consistent comfort and performance.

• Model number 81903 identifies this RectorSeal Airtec Diffuser Assembly featuring a 6 × 6 inch square faceplate.
• Constructed from high-strength polymer for lightweight durability and corrosion resistance.
• Designed to provide even air distribution for efficient heating and cooling performance.
• Low-profile, square design blends with modern ceiling aesthetics.
• Ideal for use in residential, multi-family, and light commercial HVAC systems.
• Precision-engineered louvers ensure quiet operation and uniform airflow.
• Simple installation and secure fit with compatible duct or ceiling mount assemblies.

Technical Data & Performance

• Type: Air diffuser assembly
• Brand: RectorSeal
• Series: Airtec
• Model: 81903
• Shape: Square
• Material: Polymer
• Face Size: 6 × 6 inches
• Mounting Type: Ceiling or duct-mounted installation
• Color: White (standard Airtec finish)
• Airflow Performance: Optimized louver design for balanced air distribution
• Noise Level: Low operating sound level due to smooth, aerodynamic construction
• Applications: Residential, light commercial, and multi-family HVAC systems
• Corrosion Resistance: Non-metallic polymer construction resists rust and deterioration
• Maintenance: Easy to clean surface for long-lasting appearance and performance
• Provides efficient air delivery, quiet performance, and durable construction for long-term HVAC reliability.