The SEAFLO submersible bilge pumps are tough enough for any bilge. * High Flow: for use from 22-234L / Min (1.32-14.04 cubic meters / hour) * Small size, high efficiency, low current (low cost switching power supply supporting); to achieve a small size perfect combination of high flow * Unique automatic "discharge" function can bear the long-term continuous operation under nearly congestion condition Impact resistant ABS housing. * Heavy duty motors with stainless steel shafts and tough. thermoplastic bodies