Johnson Pump Cartridge Aerator 500 GPH Straight Intake - 12V 28503

Johnson Pump cartridge aerator pumps offer the ease of convenience and years of reliable service. Improved design with easy-to-install Dura-Port discharge port. Smaller profiles to fit in more confined spaces. Easy to change motor cartridge.

• Capacities 500, 750, 1000 and 1250 GPH
• Available in two different intake configurations: straight or 90°
• Compact, easily replaceable all-in-one motor/impeller unit
• No tools needed for maintenance
• Extremely energy efficient
• Water-cooled motor for long service intervals
• Improved design with easy-to-install Dura-Port discharge ports (straight and a 90° smooth elbow included) eliminate stress cracking caused by over-tightened hose clamps
• Meets the international standard, ISO 8849 marine