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Ships within 48 hours · Estimated delivery Aug 22 - Aug 27
Ceramic fiber blade insulation with fiberglass cover*
Installation Ring only
Collar sizes available in 6”–10”
Satin polished finish
Single deflection transition box mount spiral pipe grille
Volume Damper Low-Leak OBD 3000-0BDLL-30X12 Smoke-Fire Damper Ceramic fiber blade insulation withh3. 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$ 22.00
US$ 25.00
US$ 150.00
US$ 18.00
