CE approved arc-shaped cross output air curtains of low noise, high efficiency and big air capacity with keyboard control,remote control or both keyboard and remote control: Model: FM-1.25-06B,FM-1.25-09B,FM-1.25-12B,FM-1.25-15B,FM-1.5-06B,FM-1.5-09B,FM-1.5-12B,FM-1.5-15B,RM-1.5-09BD,RM-1.5-12BD,RM-1.5-15BD,RM-1.5-09B-3D,RM-1.5-12B-3D,RM-1.5-15B-3D Length: 600,900,1200&1500mm Blower Wheel Diameter: 125,150mm