The E61 Silicone Group Head Seals are made from 100% food grade FDA silicon that won't bake rock hard over time like the rubber seals do. They have same same compression strength as rubber, but are also softer so that they create a better seal.

Suits Bezzera (E61 Models), ECM, Rocket, Profitec, Isomac, Vibiemme and other E61 groupheads.

Dimensions: 73mm x 57mm x 8mm