12"W x 8"H [Duct Opening Size] Steel Return Air Grille, Air Return Vent Cover for Ceiling and Sidewall - HVAC Air Vent Covers - [Outer Dimensions: 13.75"W x 9.75"H]

Robust Build: This Air Return Grille is built for lasting performance, featuring an all-steel construction with a heavy-duty matte white powder-coated finish. It not only adds a contemporary touch to your home decor but also resists temperature changes without warping.
Secure Packaging: The air return vent cover is carefully packaged for optimal protection. It is reinforced with strong cardboard on both sides and strengthened with impact-resistant corner guards at all four corners. Each unit is thoroughly shrink-wrapped and hand-checked for quality to ensure it arrives in perfect condition.
Enhanced Airflow & Quiet Operation: The Return Air Grille incorporates fixed louvers and slotted vanes for silent, effective ventilation. Improve home air circulation and boost heating and cooling system efficiency with this AC return vent cover suitable for both home and office environments.
Versatile Vent Covers: Perfect for side walls and ceilings, these 12 x 8-inch grilles fit various spaces, from residential to industrial. They provide an economical solution, with simple installation options for kitchens, bathrooms, meeting rooms, and more a top pick for AC vent covers.
Simple Installation & Precise Fit: These air vent cover grilles are crafted for straightforward home improvement, with all required mounting hardware included for a hassle-free setup. Do not rely on old grille measurements. Always begin with the Width (W) followed by the Height (H)