FDA Approved Food Grade Silicone Rubber - Simply insert in to the bottom of your basket as per the photos
Works with any portafilter that has a 50mm Ø depression at the bottom of the basket
Ideal for the Gaggia Classic, Baby, Class, Pharos & Tebe amongst others
4mm thick, twice that of others - this means it remains rigid and creates a better seal
All other rubber backflush discs we have seen so far are made from cheaper EPDM rubber which is NOT certified to be used in direct contact with food.
To remove the disc once you have finished backflushing either tap it out or insert a basket removal tool / blunt knife between the edge of the rubber disc and the metal basket. Portafilter / basket for illustration purposes. Only the rubber backflush disc will be supplied FDA 177.2600 = USA Food & Drug Administration - Rubber Articles intended for repeated use. EC 1935/2004 = EU Food Contact Regulation.