The 291 cast brass bubbler from Union Brass Manufacturing Co is designed for durability and performance in outdoor and indoor applications. Featuring a flange and 3/8" NPT female threads, this bubbler is easy to install and compatible with standard plumbing systems. The cast brass construction ensures resistance to corrosion and wear, making it suitable for high-traffic areas. Ideal for schools, parks, and public facilities, the 291 bubbler provides a reliable source of drinking water while meeting industry standards for safety and quality.