PREempt CS20 1L Chemical Sterilant Disinfectant For Tool PREempt CS 20 is a 20 minute chemical sterilant and high level disinfectant. The exceptional safety profile of this 7% Accelerated Hydrogen Peroxide® (AHP®) solution means there is no special ventilation required. PREempt CS 20’s active Hydrogen Peroxide breaks down into water and oxygen, leaving no active ingredient residue.PREempt CS 20 is a sterilant and high level disinfectant for reprocessing heat sensitive semi-critical and critical devices for which heat sterilization is not suitable. Features & Benefits Chemical sterilant Kills spores in 20 minutes Contains hydrogen peroxide which breaks down into water and oxygen Ideal for semi-critical and critical devices for which heat sterilization is not suitable Allows disinfection for non-autoclavable devices 14 day reuse once opened