3700 GPH General Purpose End Suction Centrifugal Pump - 24VThe Rule General Pupose Pump is designed 1-1/2 (38mm) inlet and 1-1/2 (38mm) discharge outlet. The Rule General Purpose Pump must be mounted below the waterline. It does not deliver high pressure, nor is it self priming. It delivers lots of water but at low pressure. 24 volts DC. Features:3700-GPH24-VoltWhite/Red3-Year WarrantyWARNING: 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.