Zurn AquaSpec Z812B4 Polished chrome-plated cast brass faucet body with integral shanks, quarter turn ceramic disc cartridges and a 5-3/8" [137mm] enterline rigid or swing gooseneck spout. Unit is furnished with a 2.2 GPM [8.3 L] pressure compensating aerator (complying with ANSI A112.18.1 Standard for flow), 4" [102mm] vandal-resistant color-coded metal wrist blade handles, mounting hardware and 1/2" NPSM coupling nuts for standard lavatory risers.