Oneida Air Systems Dust Deputy 2.5 DIY Cyclone Separator. The great thing about this device is that it turns your regular vacuum cleaner into a powerful two-stage dust extraction system. How does it work? The Dust Deputy uses centrifugal force to separate up to 99% of dust and debris before the air even reaches the vacuum cleaner filter. It provides twice the airflow of smaller cyclones and conventional separator covers. It is great for today's high-powered vacuum cleaners. The Dust Deputy 2.5 DIY is very easy to connect. It has special ports that fit the standard hoses of most construction vacuum cleaners.