i felt it was quite good. It made me a long time to choose one. This was the one I choose, and i felt it to be comfortable and happy since my deal of searching for laps gave me good one at the end.
The X-15R spins up to three liters of sample at an industry-leading 5,250 x g, with a robust refrigeration system that cools from ambient to 4C in less than 4 minutes – over 10 minutes faster ...