AM Conservation Group Niagara Conservation N2150-TP Commercial Tamperproof All Metal High Efficiency Chrome Fixed showerhead 1.5 gallons per minute flow rate is highly efficient without sacrificing performance All metal construction for long-lasting durability Patented pressure compensating technology provides constant output regardless of available pressure Includes key for tamperproof install/uninstall Ideal for rentals, hotels, motels, or public facilities where tampering, theft, or removal are of concern Niagara conservation showerheads are respected in the conservation industry for their performance and durability