Ratio Four Basket Paper Filters (100 Count) --includes-paper-filters The Baratza Virtuoso+ Burr Grinder

The Baratza Virtuoso+ Burr Grinder is our go-to grinder for the Ratio Eight coffee maker in our offices

you need the LUCCA A53 Pro Direct Plumb Kit (sold separately)

If you've outgrown a single-boiler or heat-exchanger and you're ready for simultaneous brew-and-steam capability

Blind upper burr (no screw holes): For easy cleaning

Guard the goods

Ratio Four Basket Paper Filters (100 Count) --includes-paper-filters The Baratza Virtuoso+ Burr GrinderThese paper filters are designed to properly extract the full potential of your coffee on the Ratio Four. They are made of laboratory grade paper for consistently precise flow through performance. Made of 100% virgin wood pulp. 100 count.