4622-6 Tsunami Cartridge 800 GPH by Attwood. Tsunami bilge pumps are dependable and long-lasting. Easy cartridge installation. Cartridges are replaceable and interchangeable. Housing made of rugged, glass and mineral filled polymer that withstands hull pounding and resists chemicals. Easy installation: the bilge pump is secured directly to the hull - no mounting bracket required. 36 in. wire connector with barbed outlet style. 3 year warranty.