Introducing the innovative Nu-Plus HZ-S water filters that are designed specifically for the beverage and food service industry. They provide a high performance yet economical alternative to expensive Hoshizaki* replacement filters. Nu-Plus HZ-S has been tested by the manufacturer against ANSI/NSF Standard 42 for material requirements only. The inclusion of the Nu-Plus HZ-S products will comprehensively satisfy all of your beverage and food service requirements.