Opposed Blade Volume Damper 3000-0BD-64X18 past 12 months 1/4” Wide x 1-27/32” High

1/4” Wide x 1-27/32” High slots

Adjustable directional dampers with shut-off

3/16" cross bars

700 CB30 - three way

904 - Double Deflection Adjustable Aluminum Blade Grille For a 18" x 4" Duct Opening (front blades parallel to shortest dimension)

Opposed Blade Volume Damper 3000-0BD-64X18 past 12 months 1/4” Wide x 1-27/32” Highh3. 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.