Our unique Link™ System provides a hassle free connection to your Sumo Pump, keeping your boat dry on the inside.
A durable 1000D polyester core bonded to water tight, lightweight PVC skins. This three layer sandwich construction makes Sumo ballast the most durable ballast bag available.
Every Sumo Sac™ is double welded to ensure a watertight seal. Our tough Sumo Skin™ is overlapped and hot air welded then a second welding operation applies an inch wide sealing tape to the inside of every seam.
New easy turning cap with a perfect water tight seal. Pressure tested up to 6 PSI. Our 1" NPT ports allow built in ballast systems to fill, drain and vent quickly for hassle free operation.