800lbs Flat Sack Watersports - Surf - Ballast Sumo

    800lbs Flat Sack


    Size: 127cm x 111cm x 20cm

    A Flat Sac for the floor area of your V-Drive boat – putting all the weight centrally dramatically increases the downforce of the hull.

    • SUMO Skin 1000D – 37% higher tensile strength than our competitors
    • Double welded seams to ensure a watertight seal
    • Max Flow valves - 1 ½ inch high flow. 50% LARGER intake.
    • Use with Sumo Pump, or as a Plug n’ Play in any boat manufacturer
    • 1 x Max Flow Valve & 3 x 1″ NPT