Burner BZ4500HS, non-adjustable Bernzomatic

The Bernzomatic® wide surface burner produces a wide "brush" flame
form with instant on/off and ignition lock. This burner
has a pressure regulator to ensure consistent operation when it
inverted, making it convenient for large surfaces, e.g. for woodworking,
for metalworking, vinyl wrapping and welding. There is a wide surface burner
compatible with Bernzomatic PRO-Max™ and Bernzomatic propane gas
balloons. Connector thread CGA 600 1"-
UNEF 20 RH. Made in the USA