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listed Fire-Resistance Diffuser * TVB - Thermal Vapor Blanket * Square collar
Adjustable baffle controllers to direct airflow horizontally or vertically
One piece curved frame with gasket fits flush to spiral pipe
inner dimension and outside dimension available * Available in continuous lengths with butt joints * Tamper proof screws * Standard Color
SUBMITTALS CB10 Series Submittal
4" 3 Hour Vertical Mount Fire Door 2661-56X56 Smoke-Fire Damper listed Fire-Resistance Diffuser * TVBh3. Standard Features * 2661 Square or rectangular fire door for vertical mount only. Maximum dimension 60x60. For damper free area chart A click here * 2663 Out of Airstream fire door. Square or rectangular for vertical mount only. Maximum dimension 60w x 52h. For damper free area chart B click here * 2665 Round fire door for vertical mount only. Available 4" thru 52" round. * 3 hour rated * UL and California State Fire Marshall approved * 4 1 4"
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