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Ships within 48 hours · Estimated delivery Aug 8 - Aug 13
Rust-resistant pre-coat with durable powder finish
round collar only) * 830 OR - factory installed opposed radial damper (sizes 6"-14") * 830 FR - U
Standard Features * Universal Collars for T-bar supply and returns * Soft White Finish * Available for 6" to 14" round duct in 1" increments
904 - Double Deflection Adjustable Aluminum Blade Grille For a 40" x 18" Duct Opening (front blades parallel to shortest dimension)
Parallel Blade Volume Damper 3000P-34X12 Commercial Rust-resistant pre-coat with durable powderh3. 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
