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Front blades parallel to shortest dimension
4-Way ceiling register with stiffened 1/2" fan shaped louvers for silent operation
375 Series Engineering/Performance Data
Diffuser Only (no damper)
Parallel Blade Volume Damper 3000P-18X44 Commercial Front blades parallel to shortesth3. 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
