If you haven't seen the coloration that comes out of a bottomless portafilter, you are really missing out. This unique way to extract shots with the 58mm Bottomless Portafilter for Rocket Giotto and Rocket Cellini models offers a great view into the process as rich hues of brown come water falling out from underneath your brew head unit.

• Bottomless portafilters can provide better heat retention for a yummier espresso shot.
• This is a great learning tool to observe your espresso extraction to see if tamping was done properly.
• This portafilter clearly exhibits how the extraction is progressing, so that you could make required changes on time to achieve the perfect extraction.
• Chrome-plated 58mm portafilter can be used with a single, double or triple shot basket.
• Compatible With: E61 Brew Head models including Rocket, Astra, Faema, Brasilia, Expobar, Vibiemme, La Scala, Wega, Quick Mill and more.