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Ships within 48 hours · Estimated delivery Aug 13 - Aug 18
Available in 4" through 29" round
AA-HVL Series Engineering/Performance Data
PERFORMANCE DATA CB-T Series Engineering/Performance Data
904 - Double Deflection Adjustable Aluminum Blade Grille For a 40" x 18" Duct Opening (front blades parallel to shortest dimension)
Available in 6”–12” collar sizes
Parallel Blade Volume Damper 3000P-66X18 Smoke-Fire Damper Available in 4" through 29"h3. 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
