APPLICATION: 1/2" ID CRIMPED HOSE FORPROPANE LIQUID OR VAPOR SERVICE UP TO 350PSINATURAL GAS VAPOR SERVICE LOW PRESSUREAIR GENERAL USE CHOOSE THE LENGTH YOU NEED 12" - 240"IF YOU NEED A CUSTOM LENGTH, LONGER HOSE OR CUSTOM FITTINGS MESSAGE US AND WE WILL LIST IT CONNECTION A: FEMALE SWIVEL WITH 1/2" MALE NPT CONNECTION CONNECTION B: FEMALE SWIVEL WITH 1/2" MALE NPT CONNECTION MOST ORDERS SHIP IN 2-10 BUSINESS DAYS, FREE SHIPPING TO THE USA Be sure to add me to your favorites list!Check out my other items!Sign up for PayPal; the fast, easy, and secure way to pay online. Feel 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.