915 - FIXED 45° BLADE GRILLE 915-48X4 Damper:Opposed Damper Adjustable modular cores with fixed

Adjustable modular cores with fixed curved blades

Mounting Holes - Designed for ceiling or sidewall application

22 gauge butterfly style galvanized steel blades

Heavy gauge cold roll steel

915 - FIXED 45° BLADE GRILLE 915-48X4 Damper:Opposed Damper Adjustable modular cores with fixedStandard Features Extruded aluminum surface mount frame with signature line marks Extruded aluminum fixed bar blades at 45 Blades are parallel to the longest dimension Designed to minimize vision into the air duct Center margins are mounted on the backside of the grille for a streamlined continuous look Countersunk mounting holes with color matching Phillips Pozidriv screws Rust resistant pre coat with durable powder finish Soft White Options Recessed