Gas Carburetors for Generators allows your existing Gen to accept both Cooking Gas and Petrol as sources of fuel.Your 2kva to 12kva gen gas will take you up to 40hrs - that's about a week, if you decide to run 6hrs per day! It's easy to install and you can do it yourself > Just unmount your carburetor, mount the device and you are good to go. (please double check if your generator carburetor is replaceable before buying!)