1500 G.P.H. Automatic Bilge PumpHigh pumping capacity and reliability at a lower cost. The Rule 1500 offers more pumping capacity and more exclusive design features than any comparable competitive pump. 1-1/8" (28.6mm) discharge outlet. 12 Volts DC unless noted.Features:Computerized operation - no float switch required3 wire version allows manual override or indicator light capabilityFully 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 boatbuilders worldwidemarine grade blocked wiringWARNING: This product can expose you to chemicals including FORMALDEHYDE (GAS) which is known to the State of California to cause cancer. For more information go to >P65Warnings.ca.gov.