Features: Aluminum fixed blade curved blade sidewall/ceiling return air grille for a 10 in x 6 in duct hole with 2 screws included for easy installation Rust-Free extruded aluminum construction with high-resistance electrostatic white paint finish Strictly designed for indoor ceiling or sidewall installations Lightweight design prevents sagging and reinforced corners prevent separation

Features: Aluminum single deflection adjustable sidewall air supply register for a 12 in x 10 in duct hole with 2 screws included for easy installation Rust-Free extruded aluminum construction with high-resistance electrostatic white paint finish Integrated multi-shutter damper for easy airflow control Smooth blade operation and damper control deliver noise-free, efficient ventilation in both residential and commercial settings

American Louver Plaster Frame for Lay-In Air Diffuser, 1' x 1', White, PK2 This plaster frame is used to install a ceiling t-grid, lay-in type diffuser or grille in plaster or drywall. The frame has adjustable fastening clips that adapt to different thickness and comes with hardware, making installation easy. Made of aluminum that is electrostically coated white for a hard finish. 1' x 1', package of 2. Also comes in 2' x2'.