Large Wipes - 6” x 6 3/4” (160 per Tub) The first and only alcohol free disinfectant wipe with a 3 minute contact time. Sani-Cloth AF3 is a non-woven, disposable cloth, pre-saturated with a quaternary disinfectant cleaner. Recommended for use in hospitals and critical care areas where control of the hazards of cross-contamination between treated surfaces is of prime importance. This wipe is for use on hard, non-porous surfaces and equipment. Sani-Cloth AF3 will disinfect in just 3 minutes.