The Aquifer® shower filter works with your handshower to effectively reduce chlorine and odor in your shower water, helping to maintain the natural moisturizing oils of your hair and body. Install the filter by simply attaching it to an exposed shower valve, handshower hose, wall elbow or a shower arm with diverter. With its simple, elegant design, the Aquifer® shower filter finds the delicate balance of keeping the good while reducing harsh chemicals in water to help leave your skin healthy. Kohler® Shower Filtration System, Series: 30646, Aquifer®, For Use with: Handshowers, 4 gpm at 20 psi, Solid Metal/Acrylic, Polished Chrome, 2-5/16 in W x 6-7/8 in H