Directly compatible with the 2016 MXZ Series Malibu boats, this Eight.3 Plug ‘n Play ballast bag is designed to properly fit inside the rear lockers of the 2016 and newer Wakesetter 22 MXZ, and Wakesetter 24 MXZ boats equipped with the Plug-and-Play factory option. Features three 1” diameter external fill/drain/vent ports.