One-Step Surface Cleaner and Disinfectant. PREempt™ utilizes Accelerated Hydrogen Peroxide Technology® (AHP®), a patented synergistic blend of commonly used, safe ingredients that when combined with low levels of hydrogen peroxide dramatically increase its potency and cleaning performance. PREempt products are ideal for cleaning and disinfecting your CPAP interface and Machine. PREempt RTU has a Broad-Spectrum Sanitizing Claim in 30 seconds as well as a Bactericidal and General Virucide and Tuberculocidal 3 minute kill claim. The use of AHP® allows for a sanitized/disinfected surface with minimal residue once dry. The products are non-toxic and not classified as a dangerous good. The PREempt Liquid can be used with dry paper towel or dry cloth.