BOC Smoothflame quality single stage regulators are designed to Australian Standards 4267 for reliability and safety. This regulator has a one-piece encapsulated seat design with an internal filter to capture particles while providing stable pressure and longer durability. 
Features:
PTFE seat
Forged brass body and Zinc alloy bonnet
2.1” steel gauges
Neoprene diaphragms
ABS plastic adjusting knob