The bubbler head is made from a brass forging. It is polished and copper, nickel and chrome plated. The bubbler comes with a brass flange that is also triple plated. The 1/2-14NSPM shank is included. The bubbler is activated by a chrome plated push button and has a replaceable cartridge assembly (K-361). The bubbler meets ASME A112. 18.1M and is ANSI/NSF 61/Section 9 Certified. Color: PVD polished chrome.