CE approved square-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-0.9-06,FM-0.9-09,FM-0.9-12,FM-1.25-06,FM-1.25-09,FM-1.25-12,FM-1.25-15,FM-1.5-06,FM-1.5-09,FM-1.5-12,FM-1.5-15,RM-1.5-09D,RM-1.5-12D,RM-1.5-15D,RM-1.5-09-3D,RM-1.5-12-3D,RM-1.5-15-3D Length: 600,900,1200&1500mm Blower Wheel Diameter: 90,125,150mm