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Ships within 48 hours · Estimated delivery Aug 13 - Aug 18
Standard Features *Surface mount return air grille * 45 fixed blades parallel to shortest dimension * Countersunk mounting holes for flush appearance with color matching Phillips posi-drive screws * Soft White Options * 936 O - recessed screwdriver operated opposed blade damper * No Labor Collar (square sizes only) * 900 T - T-Bar mount * 905 HD - reinforced construction * 905 IS - insect screen * 1335-1338 Series - stainless steel version * Tamper proof screws
Square to round 2" collar with roll formed retention bead - available in square sizes only
available 4" through 40" round (2549)
Standard Features Double deflection surface mount grille with adjustable airfoil blades Front blades parallel to longest dimension
Parallel Blade Volume Damper 3000P-50X48 Specialty Products Standard Features *Surface mount returnh3. 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
US$ 649.50
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