To calculate the overall star rating and percentage breakdown by star, we don’t use a simple average. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. It also analyses reviews to verify trustworthiness.
Perfect size for my coffee area. Strong and works great. I took a chance because I had seen a video somewhere that said a knock box is no use when you have a pressurised portafilter basket. Not true at all. A couple of taps and it comes out like a puck. Nice and clean.