M12 x 1/8" Fluid-o-tech OPV Fitting rancilio/classe-8-parts This is the round filter

This is the round filter that sits on top of coffee grounds

two-position

two precision fits

or drying rack style - whose rinser has started to drip

M12 x 1/8" Fluid-o-tech OPV Fitting rancilio/classe-8-parts This is the round filterM12 x 1 8" Fluid o tech OPV Fitting This fitting's M12 male portion is the only size that threads into Fluid o tech expansion valves; the 1 8" male portion uses standard BSP thread. SPECIFICATIONS Thread Size: M12 male x 1 8" male BSP COMPATIBILITY Fits: Fluid o tech expansion valves (OPV) Replaces: OEM M12x1 8" fitting (I5213) Works with: Fluid o tech OPV expansion valve INSTALLATION Basic hand tools; moderate difficulty.