Rule 500The Rule 500 offers many design features while keeping size and cost to a minimum, Especially popular on smaller craft Rule 500 pumps are unmatched in pumping power and longevity, 3/4"" (19mm) 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 boatbuilders worldwidemarine grade blocked wiringProduct : RULE 500 GPH NON AUTOMATIC BILGE PUMP 3/4"" OUTLET Manufacturer : RULE Manufacturer Part No : 25D UPC : 042237083449 SKU: CW31502