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Ships within 48 hours · Estimated delivery Oct 6 - Oct 11
Concealed mounting holes
RS52 Series Engineering/Performance Data
Double deflection transition box mount spiral pipe grille
1550 Series Engineering/Performance Data
Standard Features Double deflection surface mount grille with adjustable airfoil blades Front blades parallel to longest dimension
Parallel Volume Damper Low Leak 3000PLL-30X30 Step Down Ceiling Diffuser Concealed mounting holesh3. 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
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