HEAVY DUTY FIRST STAGE REGULATORBRAND: MARSHALL EXCELSIORPART NUMBER: MEGR-1222H-BGFAPPLICATION: FIRST STAGE REGULATOR TAKES TANK PRESSURE OF 250PSI DOWN TO 10PSICONFIGURATION: STRAIGHT MOUNTBTU CAP: 1,000,000 BTUMAX INPUT: 250 PSIINPUT SIZE: FEMALE POLOUTPUT: 8-12PSI (ADJUSTABLE)OUTPUT SIZE: 1/2" FEMALE NPTFREE SHIPPING TO THE 48 STATESFeel free to ask us about conversion kits for almost anything including trucks, cars, generators, tractors, boats, motorcycles, RVs etc. We can build a kit to convert almost any engine! WARNING: This product can expose you to chemicals including lead and lead compounds, which are known to the state of California to cause cancer. www.P65Warnings.ca.gov. WARNING: These products contain a chemical known to the state of California to cause cancer and birth defects or reproductive harm. www.P65Warnings.ca.gov.