Product review
Updated April 2023
Waterblasters
Find out which mains-electric models perform the best and are easy to use, plus what to consider when buying and using one.






April 2023
Karcher
K4 Premium Power Control 1.603-421.0
Price
$648
Price
$648
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We've reviewed the Karcher K4 Premium Power Control 1.603-421.0 to see how well it performs in these categories:
- Cleaning
- Ease of use
- Predicted reliability
- Brand satisfaction
Test results
- Cleaning
- Ease of use
- Predicted reliability
- Brand satisfaction
Good points
Bad points
Specifications
Features
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