Johnson Pumps of America 28502 Marine In-Line 500 GPH Cartridge Aerator Pump
Aspirator II Interchangeable Cartridge Pump - 500 GPH- Straight-500 GPH- Straight-Features fully submersible ignition protected 12 volt dura-port discharge parts. Anti-airlock protection saltwater tough 100 percent factory tested meets and exceeds NMMA, ABYC, ISO 8846, CE and USCG specifications. Three year warranty.