... OEM factory,Sample for testing 12V/24V, Vibration-free,Anti-airlock Submersible Marine Bilge Pump 12V 1100GPHCE,OEM factory, ... Sample for testing12V/24V,29mm outletVibration-free,Anti-airlock protectStainless stell shaftDESIGN FEATURES 1. The KGT submersible ... safety standards.6. Water cooled motors for long life, with anti airlock design and moisture tight seals.7. Snap-lock strainer ...