This filter fits the Pelican PSF-1, PSF-1W and PSF-1NH shower filters. This replacement filter fits ALL Pelican model shower filters. One of the most important things we can do is protect ourselves from the immediate and long-term damaging effects dangerous chemicals such as chlorine in our water. Start today by enjoying the many health benefits, including softer hair and skin, with the Pelican Premium Shower Filter!So many people in the world today have no idea the damage caused by chlorine, chloramines and other disinfection by-products in their water to their hair and skin. One of the most important things we can do is protect ourselves from the damaging effects caused by these chemicals. Chemicals in your water can cause skin and hair to become dry, itchy and damage your hair - stripping its natural oils leaving it dry, brittle and hard to manage. Not to mention that chemicals in your water can vaporize when your water heats up in the shower, allowing them to be inhaled with every breath. Now, you can have softer healthier looking, shinier, and more manageable hair plus softer skin all from a spa like shower experience.