One way to improve a shop vac’s ability to capture sawdust is with a dust separator. This is basically a 5-gallon bucket with a low profile or cyclone style separator lid. The shop vac’s hose ...

A DYI cyclone dust collector can help. advertisement. House Digest. ... a 1.5-inch PVC 45-degree elbow, three 1.5-inch straight connectors, and two 2-inch rubber pipe caps.