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Ships within 48 hours · Estimated delivery Aug 18 - Aug 23
165° replaceable fusible link
UL listed and tested in accordance with UL Standard 555
Ideal for residential and light commercial application
One piece curved frame with gasket fits flush to spiral pipe
2" 3 Hour Vertical Mount Fire Door 2561-30X16 Step Down Ceiling Diffuser 165° replaceable fusible linkh3. Standard Features * 2561 Square or rectangular fire door for vertical mount only. Maximum dimension 48w, 49h. For damper free area chart A click here * 2563 Out of Airstream fire door. Square or rectangular for vertical mount only. Maximum dimension 48w, 41h. For damper free area chart B click here * 2565 Round fire door for vertical mount only. Available 4" thru 40" round. * UL and California State Fire Marshall approved * 2" thinline frame *
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