Slayer Complete Portafilter w/ European Ash Handle - Single resources/inside-the-machine and the two aren't interchangeable

and the two aren't interchangeable despite similar mounting

Filter papers

58mm Flat Base: Ideal for standard commercial baskets

Kiln-fired and double-walled for insulation

this jet/filter is a common culprit

Slayer Complete Portafilter w/ European Ash Handle - Single resources/inside-the-machine and the two aren't interchangeableSlayer Complete Single Portafilter with European Ash Handle Genuine Slayer single portafilter featuring a European ash wood handle, complete with spout, single basket, spring and gasket. The gasket helps divert water away from the wood to protect the handle over time. SPECIFICATIONS Slayer part #: 86000 50011 Includes: spout, single basket, spring, gasket COMPATIBILITY Fits: Slayer espresso machines (single group configuration) INSTALLATION Simple DIY