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Air Patterns
102 - two way
Airfoil blades individually adjustable on 3/4" centers
TVB - Thermal Vapor Blanket
Hinged removable extruded aluminum face frame with signature line marks
Parallel Blade Volume Damper 3000P-42X40 Residential Registers & Grilles Air Patternsh3. 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
