Hi and good morning,
The dimensions are probably not correct. According to the manufacturer, the dimensions are as follows:
Inside dimension (W) x (H) x (D) mm 306.6 x 208.2 x 306.6
Outside dimension (W) X (H) x (D) mm 439.5 x 257.8 x 358.5
https://sharphome.eu/en...
And yes, it is 20 litres.
You have to be careful though, I got a unit with a German power plug at the time, which I didn't think was so great. However, an adapter was included.....
