Rancilio ボトムレス ポルタフィルター

The 58 mm commercial size fits my machine perfectly, and watching the extraction through the bottom has already helped me dial in my grind much faster. It’s solid and well-built, no complaints.

Finally, I can actually see if my puck prep is off or if I'm channeling. The 58mm commercial size makes it super easy to swap in and out with my machine. The bottomless design has already helped me dial in my grind much better.

Finally, I can actually see my espresso extraction in real time instead of guessing. The 58mm commercial size fits my machine perfectly, and the build quality feels solid and precise.