The Anglesey elongated HET flushometer bowl operates at either 1.28 or 1.6 gpf, depending on the valve selected. Anglesey is precision-engineered to meet the challenging demands of today's commercial bathrooms. Vitreous china. Elongated bowl. Comfort Height®. 1-1/2" top spud. Less seat and supply. 2-1/8" (54 mm) glazed trapway. 4" (102 mm) rough-in.