Aluminum Eggcrate Filter Grille. Titus Eggcrate grilles have the highest free area of any return grille. These grilles are available with aluminum border and aluminum grid; steel border and aluminum grid; or entirely stainless steel construction. Offered in ½ x ½ x ½-inch, ½ x ½ x 1-inch, or 1 x 1 x 1-inch core sizes. Also available as a filtered return. FEATURES AND BENEFITS #8 x 1 1/4 lg. Phillips flat head sheet metal screws painted white Insect and debris screens are not available when dampers are fitted Optional opposed blade damper has screwdriver adjustment accessible through face of grille Material is aluminum All dimensions are ± 2”
