Zurn AquaSpec® Z83600-XL Polished chrome plated cast brass self-closing bubbler with an internal filter, an angled stream nozzle, a cast metal push handle, a flexible mouth guard with Biosafe antimicrobial technology, and a manual volume control. Zurn Lead complaint* XL products are a line of durable, high quality brass faucets and fixtures that are designed and manufactured to comply with state laws and local codes that mandate lead content levels. Zurn XL products are manufactured with *not more than 0.25 percent lead content when used with respect to wetted surfaces of pipes and pipe fittings, plumbing fitting and fixtures.