Koblenz P-4000 Shampoo Machine

alaTest has collected and analyzed 5 user reviews of Koblenz P-4000 Shampoo Machine from Amazon.com. The average user rating for this product is 3.2/5, compared to an average user rating of 4.0/5 for other products in the same category on Amazon.com. Reviewers are impressed by the usability. The price is also mentioned favorably, whereas many are critical about the reliability.