PMP-LWL6-DPHYDRA™ Livewell Pump - 600 GPH - 12V - Long Nozzle The T-H Marine HYDRA™ Livewell Pump is engineered for consistent livewell circulation with simplified service and dual-function capability for serious anglers. Backed by 4,000 hours of testing, HYDRA delivers dependable performance through an anti-airlock design that ensures reliable restarts—even when air is present in the line. Designed for durability in harsh marine environments, the pump features a precision-balanced motor and a 316 stainles