The 3 cup size specification refers to the Yama cup size
& 10 cup Chemex Classic and Glass Handle coffee makers
Flange: 96 x 57mm
just lifts out and drops back in
57.5 mm Lever Group Head Screen coffee-equipment-parts/installation-parts The 3 cup size specification57. 5mm Lever Style Group Head Screen A short profile group head screen for older lever style groups, Astoria, Brasilia, Faema, Gaggia, La Pavoni, Nuova Simonelli and Wega. Newer machines, including Victoria Arduino models from 2012 on, moved to a cup style screen instead. SPECIFICATIONS 57. 5 mm COMPATIBILITY Fits: Older lever style group heads, Astoria, Brasilia, Faema, Gaggia, La Pavoni, Nuova Simonelli, Wega Works with: For post 2012 Victoria