It creates a lower pressure inside the unit, and since it’s open to the outside air via the hose, it’ll equalize the pressure from there. The inflowing air will pick up dirt and pull it in.
It creates a lower pressure inside the unit, and since it’s open to the outside air via the hose, it’ll equalize the pressure from there. The inflowing air will pick up dirt and pull it in.
It creates a lower pressure inside the unit, and since it’s open to the outside air via the hose, it’ll equalize the pressure from there. The inflowing air will pick up dirt and pull it in.
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