Opposed Blade Volume Damper 3000-0BD-66X40 past 12 months 2-way register with stiffened 1/2"

2-way register with stiffened 1/2" fan-shaped louvers for silent operation

3/4” Wide x 3/4” High square holes

Stamped steel face with roll formed frame

Ceramic fiber blade installation with fiberglass cover*

blade to blade neoprene seals

Opposed Blade Volume Damper 3000-0BD-66X40 past 12 months 2-way register with stiffened 1/2"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.