For natural gravity or positive pressure systems, model GRS offers excellent performance and durability for intake or relief applications. Featuring an exceptional low silhouette design and rugged construction this model is both efficient and economical.

• 26 x 26 inch base with prepunched mounting holes for easy attachment to roof curb
• All aluminum exterior for corrosion-resistant construction
• Integral birdscreen to prevent entry of birds and small objects

Aluminum Eggcrate. 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”

PMC perforated, modular core diffuser can be adjusted for a 1, 2, 3 or 4-way discharge pattern after installation. The perforated face provides an architectural advantage of blending the diffuser into the ceiling system and at the same time offering the performance of the modular core diffuser.