Rule 500w/ Rule-A-Matic Plus Float SwitchThe 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 wiringRule-A-Matic Plus Float SwitchSleek and rugged the Rule-A-Matic Plus float switch has a strong fully integrated impact resistant cover which protects against debris and jamming, 14 gauge highly abrasive resistant marine grade wire and a built-in test feature, Designed for pumps drawing up to 20 Amps now includes a 2 year warranty, Product : RULE 500 GPH BILGE PUMP W/ RULE-A-MATIC PLUS FLOAT SWITCH Manufacturer : RULE Manufacturer Part No : 25-40A UPC : 042237100580 SKU: CW31503