Parallel Volume Damper Low Leak 3000PLL-60X56 Step Down Ceiling Diffuser Half-length screwdriver operated Scoop Extractor

Half-length screwdriver operated Scoop Extractor

round collar only) * 830 OR - factory installed opposed radial damper (sizes 6"-14") * 830 FR - U

with 60% free area

53% free area * 1306: 3/4" lattice opening

½ × ½ × ½ Aluminum lattice

Parallel Volume Damper Low Leak 3000PLL-60X56 Step Down Ceiling Diffuser Half-length screwdriver operated Scoop Extractorh3. 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