With the use of the most modern industrial design tools, Everest has created an ultra-compact anesthesia machine that includes all the elements that are part of other major equipment, reducing the space to the minimum possible, increasing the comfort of use if possible. Thus, we present the new McKinley ONE, with enormous possibilities and a reasonable price, to be able to adapt to the needs of all veterinary clinics, without losing the maximum safety required by an anesthesia device.