The Haws 8127FCHP Stainless Steel Drench Showerhead is a 10-1/2 diameter showerhead constructed of Type 304 stainless steel with a 2L finish for corrosion-resistance. It includes a perforated spreader and an internal 20 gallons per minute (GPM) automatic pressure compensation flow controlshowerhead with a perforated spreader and a built-in 20 gpm automatic pressure compensation flow control to maintain a steady shower pattern with water pressure ranging from 30 to 90 psi. It has a 1/4” wide flange and a 1” IPS.