Sierra Grates 4" x 12" White Sidewall & Ceiling Register 2 Way – Steel Air Vent Cover, HVAC Supply Grille for Wall or Ceiling, Fits 4x12 Duct Opening, Heavy Duty Register

• Perfect Fit for 4" x 12" Duct Opening – Precisely designed to fit a 4" x 12" duct opening. Measure the duct opening itself—not your old grille—to ensure accurate alignment, secure installation, and optimal HVAC performance. • 2-Way Adjustable Airflow Control – Dual-direction movable blades let you easily direct airflow where needed, improving circulation, maintaining consistent room temperature, and enhancing overall indoor comfort. • Wall & Ceiling Versatility – Engineered for both sidewall and ceiling installation, making it ideal for residential homes, offices, and light commercial HVAC supply systems. • Heavy-Duty Steel Construction – Built from high-quality steel for superior durability, strength, and resistance to bending, warping, and everyday wear. • Clean, Finished Frame Design – Features a sturdy outer frame for a seamless, built-in appearance that elevates the look of your wall or ceiling while ensuring long-lasting stability.