Rule 1000The Rule 1000 is in a class by itself and is a popular choice among boatbuilders and boat owners alike. 36 mounting variations and a gas resistant strainer base make this one of Rule's most popular pumps. 1-1/8 (28.6mm) discharge outlet. 12 Volts DC unless noted.Features:Fully submersibleEasy clean snap lock strainerSilent and vibrationless operationAnti-airlock protectionCompact, efficient long life motorIgnition protectedNo burn-out when run dryRust and Corrosion protectionUsed by leading boat builders worldwideMarine grade blocked wiringWARNING: This product can expose you to chemicals including 1,3-Butadiene which is known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.