In the latest round of tests, the testers from Stiftung Warentest took a look at another 20 hoovers, 11 with a bag and 9 with a dust box. There were no fundamental differences in quality. However, emptying the dust box is still an unhygienic affair with all models. Just under half of the most recently tested hoovers did well in the test - and that at prices starting at 130 euros...