2023 HO Sports Mavericks 3 Person Tube Black Friday Port Placement Configuration: 2x Drain Port Placement Configuration: 2x Drain Ports Rear end near the bottom of the body portion Our Complete Aerator Pump Ballast System kit includes everything you need to install a fully automated wakeboard ballast system in your boat a tapered design that is thicker in front which makes the tube easier to board from the water and a 3 panel construction that puts the tow attachment at a lower position on the tube resulting in the tube being pulled in an upward direction even from a low tow point The Mavericks are the premium models in our family of deck style tubes