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Extruded aluminum frame with steel roll formed blades and steel multi-shutter damper
Performance Data With Multi-Shutter Damper
Product sizes available to fit spiral pipe diameters 8” – 48
Plated Metal or Wood Finish available on this product
3 hour fire resistance rating
4" 3 Hour Vertical Mount Fire Door 2665-52 Smoke-Fire Damper Extruded aluminum frame with steelh3. 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"
US$ 175.00
US$ 849.50
US$ 164.50
