595 x 595 Ventilated Eggcrate Diffuser | Replacement Ceiling Tiles
KastLite Egg Crate Panel 2-Pack in Black | Polystyrene | Nominal 2' x 2' with 1/2" x 1/2" x 3/8" Cell Size | Manufactured by American Louver, Building Supplies - Amazon Canada
Black Plastic Egg crate Replacement Light Cover | Light Covers
Eggcrate Panel, Plastic, White, PK2, Building Supplies - Amazon Canada
Plaskolite 4 ft. x 2 ft. Suspended Light Ceiling Panel | The Home Depot Canada