Improve your dust collector's efficiency by converting to a two-stage unit with this 4 inch cyclone chip separator kit. The kit includes two elbows, two couplings, two hose clamps and all hardware needed to convert any barrel, trash can, box or custom container into an effective chip separator. This cyclone separator collects larger and heavier debris before they can reach and damage the impeller or clog the filter. Collecting the large chips before they reach the filter reduces the frequency the filter or bag needs emptied. The dust separator kit is perfect for use with Table, Saws, Jointers, Planers, Router Tables and much more! Kit includes: 2 each 4" Ports, 1 each 4" infeed elbow, 1 each. 4" outfeed elbow, 2 each 4” hose clamps and 1 each hardware pack.