ERTCO/Guth Laboratories, Inc.

ERTCO/Guth Laboratories, Inc. is associated with laboratory measurement products, including thermometers and hydrometers, and with breath-alcohol testing equipment and reference materials. These product areas serve laboratory measurement, forensic testing, and public-safety applications. The supplied website metadata indicates that ertco.com is a domain for sale, so it does not confirm current product availability or provide contact information.