Pay in 4 interest-free payments of $217.75 Learn more
Ships within 48 hours · Estimated delivery Oct 31 - Nov 5
available 4" through 40" round (2549)
Louvers designed with rolled rib for maximum strength and rigidity
4-way reversible door on square sizes
REVIT FILES CB Series REVIT files
HVL Series Submittal
Parallel Volume Damper Low Leak 3000PLL-64X12 Residential Registers & Grilles available 4" through 40" roundh3. 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
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