Compatible with Smart Waste Kitchen Composter and Food Waste Disposer Electric Kitchen Composter Absorbs and neutralizes smelly odors generated by Smart Waste Kitchen Composter- Keeps your kitchen smelling fresh and clean, You'll never smell garbage again Made by Natural Activated Carbon- environment-friendly and highly efficient It provides up to more than 3 months of odor-stopping power; Continuous, high-efficiency, low-cost, replacement Refills Two bags of Activated Carbon, one for the Top filter and the other for the Back filter Easy to install: Just fill the top and back filters with two bags of Activated Carbon Only the Activated Carbon; no Microbial pods or powder