Sep 12, 2018 - 06:30 AM
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The difference betwen the Slim One and the A7:
The Slim One has these additional features from the A7:
Wider Preset Cleaning Pattern
Lower Price at mentioned in the name (Slim One)
Many features are the same except the two additional features mentioned above but at a much lower price.
Slim One $199.00
Source: Slim One VS A7