Ratio Four Coffee Machine (Certified Refurbished) --includes-5-year-warranty With a built-in OLED PID

With a built-in OLED PID controller

The M58 Sunto with Flow Control is designed for intermediate to advanced home baristas looking for commercial-grade performance in a home-friendly package

reduced risk of channeling

That means you can start with tank water in your kitchen and plumb in later when you're ready—or move the machine between locations without rethinking your entire setup

Ratio Four Coffee Machine (Certified Refurbished) --includes-5-year-warranty With a built-in OLED PIDMeet the Ratio Four our most compact and versatile brewer, designed for coffee lovers who want barista quality results in smaller batches. Ideal for your daily solo cup or a generous travel mug, the Four delivers between 5 to 20 ounces of perfectly extracted coffee. This certified refurbished unit has been thoroughly inspected, cleaned, and tested to meet our high standards for performance and quality, so you can enjoy the same exceptional brewing