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Aluminum 3 cone T-Bar diffuser with a fixed face
w/ Tool Operated Opposed Blade Damper
Spiral pipe diameter must be 4” larger than the width of the grille
Square collar designed for a 20” × 20”
Volume Damper Low-Leak OBD 3000-0BDLL-62X42 Accessories Aluminum 3 cone T-Bar diffuserh3. 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.
US$ 175.00
US$ 190.00
