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Ships within 48 hours · Estimated delivery Aug 31 - Sep 5
Options * 3000 OBDLL - Low Leak Air Control Damper
Concealed mounting holes with mounting screws
Square to round 2" collar with roll formed retention bead
SUBMITTAL RS52 Series Submittal
955 Series Engineering/Performance Data
4" 3 Hour Vertical Mount Fire Door 2665-5 Step Down Ceiling Diffuser Options * 3000 OBDLL -h3. 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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