HEAVY DUTY TWIN STAGE REGULATORBRAND: MARSHALL EXCELSIORPART NUMBER: MEGR-1232-BBFAPPLICATION: TWIN STAGE LP-GAS SYSTEMS. REDUCES 250PSI TO 9-13" WCCONFIGURATION: STRAIGHT MOUNTBTU CAP: 450K BTUMAX INPUT: 250 PSIINPUT SIZE: 1/4" FEMALE NPTOUTPUT: 9-13" WCOUTPUT 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.