These are items for sale, not a rental.
128oz per gallon of syrup. If you do 1 pump per cone, you can get approximately 128 cones out of a gallon. If you do 2 pumps per cone, you can get approximately 64 cones out of a gallon.
Syrup pumps are provided when syrup is purchased with a machine rental. They will need to be returned with the rental unit.