Parallel Blade Volume Damper 3000P-54X38 Accessories 2" thin-line roll formed out-of-airstream

2" thin-line roll formed out-of-airstream frame

055 T6 extruded aluminum * Five air patterns: 700 CB10 - one way

Concealed mounting holes

Maintains horizontal airflow pattern

Heavy Duty Construction (1 1/2" frame depth utilized)

Parallel Blade Volume Damper 3000P-54X38 Accessories 2" thin-line roll formed out-of-airstreamh3. 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