Certs is a brand name for a type of breath mint with a specific flavor and packaging. However, there are many synonyms that can be used to describe similar products. Some options might include traditional mints like peppermint or wintergreen, or more exotic flavors like cinnamon or citrus. Breath fresheners, mouth fresheners, and even chewing gum can also provide a similar effect. Some people may use the term "breath strips" or "breath sprays" to refer to products that work in a similar manner. Ultimately, there are many options available for freshening your breath and keeping your mouth feeling clean and refreshed.