Pay in 4 interest-free payments of $165.25 Learn more
Ships within 48 hours · Estimated delivery Aug 17 - Aug 22
Extruded aluminum frame with steel roll formed blades and steel multi-shutter damper
700 CB40 - four way * 6x6 thru 20x20 diffuser sizes * Square to round No Labor Collar * 2x2 galvaneal steel panel with seismic support holes * Soft White Options * 700 CB40 0 - opposed blade damper * 700CB FR - U
CB30 - three way
3 hour fire resistance rating
4" 3 Hour Vertical Mount Fire Door 2665-52 Smoke-Fire Damper Extruded aluminum frame with steelh3. Standard Features * 2661 Square or rectangular fire door for vertical mount only. Maximum dimension 60x60. For damper free area chart A click here * 2663 Out of Airstream fire door. Square or rectangular for vertical mount only. Maximum dimension 60w x 52h. For damper free area chart B click here * 2665 Round fire door for vertical mount only. Available 4" thru 52" round. * 3 hour rated * UL and California State Fire Marshall approved * 4 1 4"
US$ 500.00
US$ 212.50
US$ 125.00
US$ 80.00
US$ 500.00
US$ 500.00
US$ 775.00
US$ 125.00
US$ 347.50
US$ 500.00
US$ 275.00
US$ 162.50
US$ 575.00
