Surge 4 1/2" 5 Function Showerhead 1. 75gpm Chrome Product Information Product Overview Flow Rate: 1.75gpm Max Flow Rate @ 80 psiMaterial/Material Construction: Brass Ball Joint with Polymer BodySpray/Stream Function: 5 Functions: Wide Aeration Centerjet Massage and Wide + CenterjetBrand: Gerber Features Dual Valve Technology: Features Dual Valve technology which minimizes water pressure loss as setting changesEasy Clean Nozzles: Features Easy Clean Soft-Touch NozzlesEasy-Glide Selector Ring: Features Easy-Glide selector ring for effortless smooth adjustmentWarranty: Limited lifetime Description With inspired design and quality craftsmanship at the forefront Gerber showerheads are the choice for a consistently exceptional experience. The Easy-Glide Selector Ring ensures effortless smooth adjustments when switching between five functions while Dual Valve Technology minimizes potential water pressure loss.