>High CFM
/ watt efficiency ( 20.2 cfm/ watt > @
11,000 Cfm ) > Rugged
high molecular polyethylene housing >Heavy
duty oscillator > Fan
oscillates at 90 degree arc > Fan
head tilts up or down > Fan
pivots on sealed tapered pre-lubed > roller
bearing >
VKO units are direct-drive & VKO-2 units are >belt-drive