The Everpure EV9799-02 Scalestick - SS-10 cartridge is a scale inhibitor for foodservice equipment. It uses polyphosphate to reduce mineral buildup, protecting appliances like steamers and coffee machines.This cartridge extends equipment life, maintains efficiency, and ensures consistent performance by preventing scale-related issues. https://partsfe.com/ev9799-02-everpure-cartridge-scalestick-ss-10