Great device! How do you manage to make sure that dust actually stays inside the Barrel? Have you inserted a form of filter there like water, oil or else?
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Great device! How do you manage to make sure that dust actually stays inside the Barrel? Have you inserted a form of filter there like water, oil or else?
When the dust hits the barrel in a downward spiral it loses allot of energy and thus drops down.
The semi clean air goes to the vacuum cleaner that has a hepa filter