zep alcohol hand sanitizer liquid refill (1 gallon case of 4) - refill for spray dispensers made in usa (90024) zep zep alcohol sanitizer spray is an alcohol-based hand sanitizer formulated to be used without water or towels. it helps to control the many microorganisms that are of public health concern. it is formulated for use in food plants, restaurants. and food-service areas. use of this product requires no subsequent rinse (e-3).