The Bottomless (Naked) Portafilter is a must-have tool if you want to watch perfection of coffee extraction at its best. A bottomless portafilter clearly exhibits how the extraction is progressing, so that you could make required changes on time to achieve the perfect extraction. This equipment is simply marvelous for training purposes since you can easily notice if channeling occurs - a sign of uneven tamping or grind levels. It's excellent for pulling a perfect shot of espresso every time. This chrome-plated 58mm portafilter can be used with a single, double or triple shot basket. ⚠️ TRIPLE BASKET NOT INCLUDED ⚠️ This is an original La Marzocco Portafilter. Compatible with: All La Marzocco Machines