T3 Micro Source Hand-Held Replacement Filter 2 pk. purifies your shower water with this replacement filter that removes 95 percent of chlorine and other impurities. T3 Source Shower Filters transform chlorine into harmless elements that are too large to be absorbed by hair and skin. The result is a noticeable improvement in hair health, hair color retention and even skin hydration. It’s the simplest and most effective way to make a clean sweep in your beauty routine.