Fire Pull Station, Marked Fire, Finish Smooth, Surface Mounting, Alarm Current -, Standby Current (uA) 0, Depth (In.) 4, Height (In.) 5-1/2, Length (In.) 5-1/2, Tube Length (Ft.) 1, Width (In.) 4-1/2, Duct Width (Ft.) 1 to 10, Ambient Temp. Limits (F) -13 to 150, Air Velocity (FPM) 0 to 2000, Voltage N/A, Includes Key