Evidentiary Breath Testing machines or EBT's are used for breath testing on Ohio. A lot of times these devices are full of flaws. Huey Defense will work hard to protect your rights when it comes to these machines. To learn more, go to https://hueydefensefirm.com/ovi-defense/evidence/ <br /> <br />Huey Defense Firm <br />3240 West Henderson Road, Suite B <br />Columbus Ohio 43220 <br />Telephone: 614-487-8667