Dosing ring/funnel

[MikeDee]

Any recommendations? What size fits best? I measured with a plastic vernier caliper, and got 53.7 mm portafilter basket ID, so maybe 53.5 mm?

[adagan]

This will only apply if you have access to some tools. I used a meta lathe to cut this adapter to a manageable length (total 1"), and slightly reduce the OD on the 2" side.
It is a 2" to 3" tube adapter made out of stainless steel, used in forming exhaust systems....
search for 2" ID to 3" OD Universal Exhaust Pipe Adapter Connector Reducer 304 Stainless Steel on amazon or Ebay.

I spray-painted the inside white to make it look nice and a little less industrial, but left the outside polished Stainless Steel.

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[michael]

Try orphan espresso