Johnson Pump Cartridge Aerator Pumps

• Exclusive Anti-airlock feature.
  
• Quick replace motor cartridge.
  
• Crack resistant DuraPort fittings.
  
• 316 Stainless steel shaft.
  
• Tough thermoplastic housing.
  
• Extended life water cooled motor.
  
• Easy installation.
  
• 3 year warranty.
  
• Made in the USA.
  
• 12 volt.

Model: 28503, 38503, 28703, 38703, 28103-00, 38103

D.551