Pay in 4 interest-free payments of $44.01 Learn more
Ships within 48 hours · Estimated delivery Aug 23 - Aug 28
Available in 4" through 29" round
Standard collar diameter is the same as the diffuser size
Blade lock to secure blades once the product is activated
Extruded aluminum fixed bar blades at 45°
2" 3 Hour Vertical Mount Fire Door 2561-20X18 Step Down Ceiling Diffuser Available in 4" through 29"h3. 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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