The Funnel King Waterboy Battery Filler features the double-action Battery Doctor shutoff nozzle to stop the flow and prevent overfilling or dripping. Shuts off automatically Heavy-duty injection molded body Battery Filler with Nozzle, Blue, 1", 2 qt This product contains a chemical that is regulated under California Proposition 65. Warning: This product contains a chemical known to the State of California to cause cancer. Warning: This product contains a chemical known to the State of California to cause birth defects or other reproductive harm. -