Parallel Blade Volume Damper 3000P-56X32 Residential Registers & Grilles Standard Features Double deflection surface

Standard Features Double deflection surface mount grille with adjustable airfoil blades Front blades parallel to longest dimension

904 - Double Deflection Adjustable Aluminum Blade Grille For a 30" x 30" Duct Opening (front blades parallel to shortest dimension)

450 Series Engineering/Performance Data

SUBMITTALS CB10 Series Submittal

Parallel Blade Volume Damper 3000P-56X32 Residential Registers & Grilles Standard Features Double deflection surfaceh3. Standard Features * 16 gauge galvanized channel frame * Parallel blades are cee stiffened 16 gauge galvanized for strength and stability * Blades pivot on non metallic celcon bushings * 1 2" square zinc plated steel pivot pins * 1 2" square zinc plated steel adjustable operating shaft extending up to 4" beyond the air control frame * Single blades on dampers with a height of 12" or less * Mill finish h3. Options * 3000 PLL Low Leak Air Control