Opposed Blade Volume Damper 3000-0BD-38X20 Commercial 2x4 T-Bar (22" x 46"

2x4 T-Bar (22" x 46" duct)

904 - Double Deflection Adjustable Aluminum Blade Grille For a 40" x 18" Duct Opening (front blades parallel to shortest dimension)

Perforated Face Grille

Designer Color or Plated Metal Finish available on this product

2550 Series Submittal

Opposed Blade Volume Damper 3000-0BD-38X20 Commercial 2x4 T-Bar (22" x 46"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.