Opposed Blade Volume Damper 3000-0BD-58X16 past 12 months Standard Features * 2633 -

Standard Features * 2633 - Square or rectangular out-of-airstream fire damper for vertical mount only

Double deflection surface mount grille with adjustable airfoil blades

Lever operated Multi-Shutter Damper

Adjustable steel curved blades

Standard Features * Heavy guage cold roll steel (same as 350 series) * Ideal for return air in the toe space areas between kitchen cabinets

Opposed Blade Volume Damper 3000-0BD-58X16 past 12 months Standard Features * 2633 -h3. 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.