MD500C OEM Replacement Float LHThese floats are designed as replacements for the MD Float System. The floats consist of 6 separate air holding chambers. The chambers are separated by bulkheads made of the same urethane nylon as the float tube to minimize the loss of buoyancy in the event of a puncture tear. Each chamber contains an inlet check valve for inflation by the cylinder valve assembly, topping valve to provide a means for manual inflation and PRV for pressure relief to