La San Marco Practical/Sprint Series Heat Exchanger - Old 3/4" Inch rancilio/classe-11-parts The cone burr is easily

The cone burr is easily removable with no tools

Bulb: ø4 x 124 mm

This is the OEM ergonomic portafilter body (not sold separately) paired with the rubber sleeve handle

And the inserts thermal properties are similar to those of a water-saturated coffee cake

La San Marco Practical/Sprint Series Heat Exchanger - Old 3/4" Inch rancilio/classe-11-parts The cone burr is easilyLa San Marco Practical Sprint Heat Exchanger Old 3 4" Version (Rare) This is the discontinued, short 3 4" heat exchanger configuration used on early La San Marco Practical and Sprint series machines. It's now out of production and increasingly hard to find, so measure carefully before ordering. SPECIFICATIONS 3 4" female fitting 124 mm (4. 88") overall length 50 mm (1. 96") circumference COMPATIBILITY Fits: La San Marco Practical and Sprint series