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Ships within 48 hours · Estimated delivery Aug 11 - Aug 16
Front blades are parallel to the shortest dimension
Fractional
Designed for protection of ceiling openings in fire rated floor/ceiling assemblies with fire resistance ratings of 3 hours or less
2" thin-line roll formed out-of-airstream frame
* 2502 - Square or rectangular spring actuated (6) for horizontal or vertical mount
4" 3 Hour Vertical Mount Fire Door 2661-16X16 Residential Registers & Grilles Front blades are parallel toh3. 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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