This is a common scenario. You will need a ​reducing adapter​ (e.g., 4" to 2-½"). It's crucial to ensure the adapter connection is ​tight and sealed​ to maintain strong suction. Measure your vacuum hose's inner diameter precisely before purchasing an adapter for the best fit.

The ​90% capture rate​ is achieved under ideal testing conditions with a sufficient vacuum source (around ​350 CFM)
. Real-world performance depends heavily on your ​dust extractor's power and suction, hose seal integrity, and the material being milled. While it significantly reduces airborne dust, no system captures 100%. For best results, use a high-CFM dust extractor and ensure all connections are airtight.

The ​6061-T6 aluminum construction​ is chosen for a balance of ​durability and lightweight​ performance
. It is robust enough for the demands of slab flattening. However, like any precision tool, it should be handled with care. Severe impacts could potentially damage the mount or alignment.

during use?​​

1. ​Check Your Vacuum:​​ First, ensure your dust extractor isn't full, the filter isn't clogged, and it's running at full power.
2. ​Check for Clogs:​​ Clear any debris blockage from the hose or at the shroud's port.
3. ​Inspect for Leaks:​​ Look for any loose connections, cracks, or dislodged seals (especially the rubber ring) that could be leaking air.

Yes, it is designed to handle dust from ​various materials​ including hardwoods, softwoods, and composites like MDF
. However, note that ​MDF and epoxy dust can be very fine. Ensure your dust extractor has a ​high-quality HEPA filter​ to capture these fine particles and prevent them from exhausting back into the air.