Opposed Blade Volume Damper 3000-0BD-70X46 Accessories Standard Features * Removable core

Standard Features * Removable core * Available in five air patterns * 22 gauge steel flush core provides uniform air distribution * Square to round No Labor Collar (6" thru 18") * 2x2 galvaneal steel panel with seismic support holes * Soft White Options * 700DVD D - steel multi-shutter damper * 700DVD O - opposed blade damper * 700DVD FR - U

* 3100 Series - Face and By-Pass dampers * Sleeve variations * 12 gauge galvaneal construction * Flat head and sill frame construction * Extended square operating shaft (extending 7-1/2" beyond the air control frame) * Round operating shaft (1/2" diameter) * Oil impregnated bronze bushings * Spring closed or spring open dampers * Outside mounting flange * Direct mount damper motors * Fractional and odd sizes available

listed Fire-Resistance Diffuser * 700 Series - T-Bar Lay-in Panel * TVB - Thermal Vapor Blanket * Square collar

Standard Features * Return air T-Bar lay-in filter grille * Removable louvered 20 gauge steel face * 20" x 20"x 1" filter (not included) * 7/8" fiberglass back plenum cut holes 6"-16" (collar by others) * Seismic support holes * Soft White

Designer Color or Satin Anodized Finish available on this product

Opposed Blade Volume Damper 3000-0BD-70X46 Accessories Standard Features * Removable coreh3. 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.