Opposed Blade Volume Damper 3000-0BD-56X54 past 12 months Standard Features * Full size

Standard Features * Full size fixed blade T-Bar lay-in return air grille * Fixed Blade * Square collar * For 22"x22" square duct * Soft White Options * 900 T O - opposed blade damper * No Labor Collar - square to round (2x2 only) * 1x2 panel (10"x22" duct) or 2x4 panel (22"x46" duct) * Satin Anodized Finish available on this product

Stainless steel

425 Series Engineering/Performance Data

Standard Features * Stamped steel curved blade T-Bar lay-in diffuser with perforated face * Five air patterns: 101 P - one way

Standard Features

Opposed Blade Volume Damper 3000-0BD-56X54 past 12 months Standard Features * Full sizeh3. 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.