Pro Products WS-Sani-System Water Softener Liquid Sanitizer a,a:hover,a:active,a:visited {color:#0d93d7 !important} Pro Products WS-Sani-System Water Softener Liquid Sanitizer Pro Products WS-Sani-System Water Softener Liquid SanitizerCondition: NEWCompatibles:RO-Sani, RO-Sani-System, RO-Sani-System-1PK, SS96ROSani-System is the only NSF & EPA approved sanitizer for use in water softeners, reverse osmosis units and water coolers. Sani-System is proven to kill 99.99% of harmful bacteria without the use of chlorine, oxidizers or acids that can harm water softener equipment parts and resin. Each premeasured packet is a concentrated formula that sanitizes the equipment in just 60 seconds. Listing and template services provided by inkFrog