[Deodorizer] Deodorizer is designed for automatic litter box.It can effectively control odors. [Deodorant] N50 deodorant decomposes odors in waste containers at any time while spreading fragrance for a long time.It continually locks in and breaks down odor-producing substances such as ammonia and hydrogen sulfide in cat feces, preventing odors from spreading. [Safe and Non-Irritating] N50 deodorant is formulated with high safety and non-toxic, non-irritating and friendly to the health of family and pets. [Easy to Replace] The waste container has a dedicated slot for N50 deodorant, which you can replace very easily, which is very convenient and time-saving.After placing the N50, when changing the cat litter, you will not be bothered by odors. [Long-Term Use] One piece of N50 can be used for 30 days, and there are a total of 3 pieces in the package.It can be used continuously for a total of 3 months.