Rocket Group Head Screen common-universal-parts/astoria-sight-glass-water-inlet-valve Our Barista Basics Knockboxes were

Our Barista Basics Knockboxes were designed with quality and durability in mind

Mazzer Doser Lever & Base Plate Assembly

151B Burr: For espresso

Out of production — comes with fixed mounting screws on the back

Everything about this brewer is designed to support a smooth bar flow

Rocket Group Head Screen common-universal-parts/astoria-sight-glass-water-inlet-valve Our Barista Basics Knockboxes wereRocket Group Head Screen Genuine Rocket shower screen for the group head, fitting several Boxer and R9 series models. COMPATIBILITY Fits: Rocket Boxer 2014, R Nine One, R9, R9 2016, R9V, and RE Doppia Replaces: Rocket #M619905432 INSTALLATION DIY friendly swap with the group head screen screw. PRO TIPS If the screen has visible pitting or a rough, gritty texture rather than a smooth face, it's due for replacement that texture is scale buildup that