ACLAMINAIRE Vent Cover 36 x 12 Aluminum Return Air Grille - Rustproof, 1-Pack

Measures 36" x 12" duct hole, with a larger 37.6" x 13.6" face for a perfect fit Designed for indoor ceiling or wall use, not suitable for outdoor or floor applications Constructed from rustproof aluminum alloy (AA6063) for corrosion resistance Lightweight design prevents sagging or detachment over time Fixed 38-degree blades ensure steady, consistent airflow without the need for filters or moving parts Scratch-resistant white powder-coated finish blends seamlessly into any indoor space Maintenance-free design, as it does not require any filters Includes screws for easy installation on wood or drywall surfaces Reinforced corners add strength and integrity to the vent cover Securely packaged with corner protection to prevent damage during shipping Meets ASHRAE standards for HVAC performance and quality Trusted in the USA market for over 20 years, offering reliable airflow and style