The Calcium Sulfite replacement filter is designed with food grade container is used to ensure a safe toxin-free shower. The high quality Calcium Sulfite from Japan in the filter ensures instantaneous chlorine removal. By filtering the chlorine from your shower water, you will have a healthier shower that is free from Trihalomethanes (THMs). A chlorine free shower will helps relieve dry-itchy skin, replenishes skin's moisture and helps reduce hair loss caused by chlorine. 

The lifespan of the filter is dependent on the quality and chlorine content of the water supply in your area. If your home is already installed with an outdoor water filtration system that helps to filter dirt and chlorine then the shower filter could last for 4 to 6 months. Another indicator would be to replace the filter when you notice the calcium sulfite balls in the filter turn yellowish.