Opposed Blade Volume Damper 3000-0BD-68X66 Specialty Products ½ × ½ × ½

½ × ½ × ½ Aluminum lattice

1-27/32” x 11/32” slots

back blades parallel to the shortest dimension Extruded aluminum surface mount frame with signature line marks Provides 4-way air flow on one plane Nylon bushings on adj

All component parts

Opposed Blade Volume Damper 3000-0BD-68X66 Specialty Products ½ × ½ × ½h3. 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.