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Ships within 48 hours · Estimated delivery Aug 17 - Aug 22
*Note: Ceramic fiber blade insulation is not UL required on dampers with free areas less than 80 square inches
Holds up to a 4" filter (not included) with filter retention tabs (FG4)
Nylon bushings for easy adjustment and quiet setting of blades running parallel to shortest dimension
to 23 29/32"
904 - Double Deflection Adjustable Aluminum Blade Grille For a 14" x 10" Duct Opening (front blades parallel to shortest dimension)
Parallel Volume Damper Low Leak 3000PLL-26X18 T-Bar *Note: Ceramic fiber blade insulationh3. 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
