The all-new Straight Line Sumo Max Axis Bow Sac weighs 950 lbs. and fills more of the under seat area than any other sac on the market. If you have an Axis A20, or Axis A22 this is the sac you need to achieve what your boat is capable of. This bag also integrates easily using 3 high flow 1" NPT ports for direct connection to your Axis A20, A22, Wakeboard boat Hi Flo Ballast System