Choose a water-saving showerhead in 6 steps
Compare flow rating, certification, pressure and fit before buying; the US WaterSense limit is 2.0 gallons per minute.
Official source: Choose a water-saving showerhead in 6 steps
Original-source link card from US EPA
Open source ↗EPA WaterSense-labeled showerheads meet a US maximum of 2.0 gpm (about 7.6 L/min) and spray-performance requirements. Local standards and plumbing fit can differ.