Parallel Volume Damper Low Leak 3000PLL-50X48 Residential Registers & Grilles 4-Way ceiling register with stiffened

4-Way ceiling register with stiffened 1/2" fan shaped louvers for silent operation

915 Series Submittal

601TFG Series Engineering/Performance Data

102C - corner

Parallel Volume Damper Low Leak 3000PLL-50X48 Residential Registers & Grilles 4-Way ceiling register with stiffenedh3. 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