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Ships within 48 hours · Estimated delivery Aug 11 - Aug 16
MRI Compatible
available 4" through 40" round (2549)
REVIT FILES T-Bar Modular Core Diffuser with Round Collar 16
round collar only) * 830 OR - factory installed opposed radial damper (sizes 6"-14") * 830 FR - U
Designed for use in walls
4" 3 Hour Vertical Mount Fire Door 2661-60X44 Smoke-Fire Damper MRI Compatibleh3. 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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