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Ships within 48 hours · Estimated delivery Nov 2 - Nov 7
Nylon bushings for easy adjustment and quiet setting of blades running parallel to shortest dimension
CSFM California State Fire Marshal listed
Recommended Minimum Sleeve Thickness for Fire Dampers
Holds up to a 2” filter (not included)
with 75% free area
Volume Damper Low-Leak OBD 3000-0BDLL-46X46 Step Down Ceiling Diffuser Nylon bushings for easy adjustmenth3. 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$ 111.95
US$ 185.00
