This is a two-pack shipped together. Total-Shield Plus is an all-in-one disinfectant, multi-purpose cleaner, sanitizer, and deodorizer. Fresh Lemon Scented. Registered on the N list under our original name Noviguard EPA Registration Number 69658-3 We are 69658-3-96853 and follow under the proper related register product. It is safe to use on all non-porous surfaces and very economical (over 500 sprays per bottle). Total-Shield Plus is a high-quality, long-lasting, EPA Registered disinfectant that has been tested and proven to kill bacteria, viruses, and more and can last on surfaces for up to 24 hours per application. On our website, we have more information on testing and can answer any of your questions. Fresh Lemon Scented.