TRUaire C17012X04 12x4 in 1-Way White Powder-Coated Steel Return Air Grille 3-Pack The TRUaire C17012X04 return air grille is a rigid, powder-coated steel ventilation component designed for efficient airflow return in sidewall or ceiling HVAC openings. Engineered with 1/2-inch fin spacing and a 1-way directional design, it promotes consistent air movement while minimizing turbulence and noise in residential and light commercial systems. Constructed from corrosion-resistant steel with a durable white powder-coat finish, it resists rust, scratches, and fading ? maintaining a clean, uniform appearance over time. The 12x4 inch footprint is ideal for narrow or constrained openings, offering optimal coverage without visual intrusion. This 3-pack provides sufficient units for multi-point return installations in homes, offices, or retrofit projects. Features - Rigid steel construction with white powder-coat finish resists rust, corrosion, and surface wear - 1-way air deflection directs airflow efficiently into return ducts without backdrafting - 1/2-inch fin spacing optimizes airflow while reducing dust accumulation and noise - Fixed, non-adjustable design ensures consistent performance without maintenance - Low-profile 1/4 in depth minimizes protrusion into room space - Paintable surface not required ? factory finish blends with standard wall and ceiling finishes - Designed for easy screw or flange mounting in standard 12x4 in openings - Compatible with 12x4 in return ducts and plenums - No magnets or moving parts ? eliminates failure points and simplifies cleaning - Shrinkwrapped for clean transport and storage prior to installation - Meets industry standards for residential and light commercial HVAC applications - Designed for use in walls, ceilings, and bulkheads where space is limited Specifications - Brand Name: TRUaire - Model Name: TRUaire C17012X04 - Product Type: Return Air Grille - Material: Steel - Finish: White Powder Coat - Dimensions: 12x4 in - Depth: 1/4 in - Fin Spacing: 1/2 in - Air Deflection: 1-Way - Adjustability: Non-Adjustable - Paintable: No - Mounting Type: Screw or Flange - Number in Package: 3 pcs - Packaging: Shrinkwrapped - Country of Origin: United States - UPC: 049473170124 - GTIN: 00049473170124 - Manufacturer: TRUaire Product Application The TRUaire C17012X04 return air grille is used by HVAC contractors, residential builders, and facility maintenance professionals installing or upgrading ventilation systems in homes, apartments, and light commercial buildings. Ideal for tight wall cavities, ceiling returns, and narrow plenum openings, it ensures balanced airflow to maintain system efficiency and indoor air quality. Its low-profile, non-adjustable design eliminates the need for periodic tuning, making it ideal for applications where reliability and simplicity are prioritized ? such as bedrooms, utility rooms, and office cubicles. The durable powder-coated finish withstands cleaning and environmental exposure, while the 12x4 inch size fits standard ductwork without modification. Professionals specify it for new construction and retrofits alike, delivering consistent performance, reduced maintenance, and the quiet confidence of a properly balanced HVAC system.