Manufacturer of terrific all-metal, water-saving shower heads that don’t feel “low-flow.” Their globally unique, patented design collides water, making a drenching spray of high-energy droplets. Customers tell us they quickly power out shampoo and hair products, even from long and thick hair. They also stay clog-free, even with hard water. Wirecutter & PopSci Best picks. Amazon top 1% Best Rated. Chosen by Ohio State, Yale, Purdue, Penn State, and the US Air Force Academy, as well as three CSU campuses and the Fresno Housing Authority. Meets water conservation (EPA WaterSense and CEC) standards for California customers.