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Ships within 48 hours · Estimated delivery Nov 16 - Nov 21
Heavy gauge cold roll steel
1/2" spacing dual angular louvers
904 - Double Deflection Adjustable Aluminum Blade Grille For a 20" x 20" Duct Opening (front blades parallel to shortest dimension)
Available in 6”–12” collar sizes
2750 Series Submittal
Parallel Volume Damper Low Leak 3000PLL-68X68 Commercial Heavy gauge cold roll steelh3. 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$ 45.00
US$ 185.00
US$ 146.95
US$ 92.00
