Pay in 4 interest-free payments of $108.13 Learn more
Ships within 48 hours · Estimated delivery Aug 21 - Aug 26
Interlocking steel roll-formed blades
Extruded aluminum frame with steel roll formed blades and steel multi-shutter damper
14" and 16" * Soft White Options * Field installable Bowtie Damper (BD) (sizes 6-14"
Air Patterns
CB Series W/Damper R
4" 3 Hour Vertical Mount Fire Door 2661-60X52 Commercial Interlocking steel roll-formed bladesh3. 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"
