The product is a Honda OEM carburetor specifically designed for the GX340 and GX390 generators. It is a genuine KEIHIN brand carburetor with a gas power source, weighing 14oz. The model number for this carburetor is 16100-ZF6-V42, making it a direct replacement for the original Honda carburetors. This carburetor is a reliable and high-quality part for maintaining and repairing lawn mowers and outdoor power equipment.