Volume Damper Low-Leak OBD 3000-0BDLL-60X26 T-Bar 104 D FR - U

104 D FR - U

055 T6 extruded aluminum surface mount supply diffuser * Four air patterns: CB10 - one way

Allows for 2-way airflow

Building materials rated 3 hours or less

Standard Features * Steel construction * Generous free area for quiet operation * Lever operated single-blade damper * Removable face and damper * Tension wings to stabilize damper * Available in 15"

Volume Damper Low-Leak OBD 3000-0BDLL-60X26 T-Bar 104 D FR - Uh3. 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.