INCREASE PRESSURE - The bigger the shower head the more pressure you need in your plumbing system. Shower heads to increase pressure like this small 3" make the best of what pressure you do have by squirting water through a smaller surface area and with a path of least resistance. ANTI-CLOG & SELF-CLEANING NOZZLES- 45 high-quality silicone nozzles prevent lime and hard water deposits for a consistent showering experience. Plus you can simply give the nozzles an occasional rub to dislodge any build-up and maintain water flow. INSTALLS IN MINUTESStandard G1/2" threads easily connect to any standard shower arm, install in minutes. A small roll of PTFE tape is also supplied to wrap around the shower arm thread for a snug watertight connection. SAVE WATERFor those with normal water pressure the built-in flow restrictor under the mesh filter helps to limit water flow and conserve water. Simply remove if you have low pressure shower head issues. DURABLE BUILDHigh quality ABS plastic body polished chrome shower head, keeps the price low while delivering a great showering experience.