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Ships within 48 hours · Estimated delivery Nov 16 - Nov 21
inner dimension and outer dimension sizes available * Tamper proof screws * Standard Color
3/4" round collar
Perforated face grille
CB-T Series Submittal
Standard Features * 1 1/2 hour rated fire damper * 2549 - Round damper for vertical mount only
Opposed Blade Volume Damper 3000-0BD-30X28 Smoke-Fire Damper inner dimension and outer dimensionh3. 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$ 17.99
US$ 30.00
US$ 19.99
