Plated brass regulators provide an increased level of safety and security. These regulators are ideal for situations where a higher level of ruggedness and protection is necessary. Made of US produced solid brass, these regulators are also available in configurations that meet ISO 10524-1 standards. Easy to read heavy duty gauge with patented protective cover All brass body construction Ergonomically friendly five-lobe knob simplifies hand-tightening Meets ASTM-G175-03 promoted ignition standards Five year warranty