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Ships within 48 hours · Estimated delivery Oct 12 - Oct 17
inner dimension and outside dimension sizes available * Tamper proof screws * Standard Color
Extruded aluminum frame with steel roll formed blades and steel multi-shutter damper
Blade lock to secure blades once the product is activated
1/2" spacing dual angular louvers
SD52 - Transition Box Spiral Pipe Grille (Single Deflection)
Parallel Blade Volume Damper 3000P-58X28 Commercial inner dimension and outside dimensionh3. 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$ 70.00
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US$ 55.00
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US$ 68.00
US$ 40.00
