Materials: activated carbon, nano mineral crystals, diatomaceous earth, baking soda, zeolite Size: 12*3*5cm/4.7*1.1*1.9 inches Efficient Deodorization: This product utilizes activated carbon to effectively absorb odors, ensuring that your refrigerator remains fresh and odor-free. Safe and Environmentally Friendly: Crafted from natural diatomite, this deodorizer is safe for use in homes. It promotes environmental conservation and is suitable for long-term use. Long-Term Adsorption: The inclusion of nanometer mineral crystals enables prolonged adsorption capabilities, ensuring a lasting freshness without the need for frequent replacements. Easy Placement: With its small and lightweight design, this deodorizer is easily placed in various refrigerator spaces without taking up excess room, providing convenience and flexibility. Low Energy Consumption: Operating without the need for a power supply, this deodorizer boasts low energy consumption, helping to save on household expenses while efficiently maintaining a fresh refrigerator environment.