Parallel Blade Volume Damper 3000P-24X34 Step Down Ceiling Diffuser Adjustable aluminum airfoil blades oriented

Adjustable aluminum airfoil blades oriented for 1 or 2 way airflow pattern

1” rim size (2” larger than nominal duct size / order size)

see 1560 Series * Tamper proof screws * Standard Color

2x4 * Soft White

Filter retention tabs

Parallel Blade Volume Damper 3000P-24X34 Step Down Ceiling Diffuser Adjustable aluminum airfoil blades orientedh3. 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