Tersus lives up to its Latin definition, creating one of the most pure and precise Diesel Exhaust Fluids in the market today.

Tersus is a full service manufacturer and provider of Diesel Exhaust Fluid (DEF), offering both branded and private label DEF. Tersus lives up to its Latin definition, as it creates one of the most pure and precise Diesel Exhaust Fluids in the market today. Tersus Diesel Exhaust Fluid is manufactured in a climate controlled, state of the art facility, featuring “PLC” Controlled Electronic Mixing. Tersus is ISO 22241 Certified and American Petroleum Institute (API) licensed. With competitive pricing and various container sizes, we are confident that we can meet the Diesel Exhaust Fluid needs of any customer. Call today for pricing options and more.