Material:MetalSize:4 feetAirflow Velocity:Average of 0.3~0.5m/sExternal Size(W*D*H):1310*750*2000mmInternal Size(W*D*H):1200*645*610mmWork Surface Height:720mmPre-filter:Polyester fiber, washableHEPA Filter:99.999% efficiency at 0.3umNoise: Show More