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Fits 1x1 ceiling grids (collar size 6"-10")
Front blades parallel to shortest dimension
All Aluminum Construction
Designed for ceiling or sidewall applications
2-way reversible door on rectangular sizes
Opposed Blade Volume Damper 3000-0BD-52X52 past 12 months Fits 1x1 ceiling grids (collarh3. Standard Features * Opposed blade operation for precise volume control * 16 gauge galvanized channel frame * Blades are vee 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.
