Volume Damper Low-Leak OBD 3000-0BDLL-68X26 T-Bar Spiral Diffuser Radius Flush Mount

Spiral Diffuser Radius Flush Mount Diffuser Single Deflec

Blades parallel to shortest dimension

Retainer cables are provided on sizes 12" and larger to allow the inner cones to hang securely while adjusting the diffuser

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

2x4 T-Bar (22" x 46" duct)

Volume Damper Low-Leak OBD 3000-0BDLL-68X26 T-Bar Spiral Diffuser Radius Flush Mounth3. 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.