E61 Bottomless Portafilter Sale! from £35.00 Group E61 Handle Black Plastic Wood Effect Plastic Qty. Add to Cart This item is currently on backorder but you can still purchase it now and we'll ship as soon as more become available. Bottomless portafilter. Allows you to see the coffee as it extracts and pinpoint channelling and other issues in your coffee preparation. Fits a range of machines with E61 Groups including some Bezzera, Fracino, ACS, Izzy and many others, Accessories ACS Bottomless Portafilter Espresso Accessories Tweet