PMP-BLG11-DPHYDRA™ Cartridge Bilge Pump - 1100 GPH - 12V The HYDRA™ Cartridge Bilge Pump is engineered for dependable marine water removal with a service-friendly cartridge design that allows rapid motor replacement without removing the pump housing. Backed by 4,000 hours of testing, HYDRA delivers consistent performance through an advanced anti-airlock design that ensures reliable restarts—even when air is present in the line. Built for long-term durability in harsh marine environments, the HYDRA Cartridge