Clear Vue Cyclones CV1800LH 18" diameter, 6" intake Dust Collection Cyclone kit, single phase with filters The answer to fine dust collection for the home hobbyist or small business alike. Generates 1,442 cfm - 6" inlet sized for S&D PVC - enough volume to capture chips, debris and more importantly - the fine dust! Ideal suited to support one tool at a time. NANO filters eliminate 99.999% of the dust down to 0.5 micron - 600 square feet of media is the highest on the market! Requires 96" installation height. Alternate installations available for lower ceiling heights.