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Ships within 48 hours · Estimated delivery Nov 3 - Nov 8
Allows for 4-way airflow
Options (must specify when ordering)
Spiral pipe diameter must be 4” larger than Height of the duct opening
Perforated Face Grille
Square or rectangular for vertical mount only
4" 3 Hour Vertical Mount Fire Door 2665-34 past 12 months Allows for 4-way airflowh3. 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"
