Additional Details ------------------------------ Product description: Our gallon jug pumps fit right on any of our gallon jugs and 64oz jugs. All Gallon pumps have dip tubes to fit a standard gallon jug but can be easily cut with a heavy duty pair of scissors to fit smaller jugs or bottles with a 38/400 neck finish. These pumps are great for dispensing liquid products such as lotions, gels, creams and more.