Mounting kits to attach your RotopaX tanks to SeaSucker's RotopaX Tank Mount. Choose from one of the three options below: Standard Pack Mount The basic RotopaX mount. A budget-friendly pack mount provides superior mountability of all RotopaX containers. Simply mount to any flat surface, place container on mount, and turn until tight. DLX Pack Mount RotopaX's most popular pack mount! Provides superior mountability of all RotopaX and FuelpaX containers. Simply mount to any flat surface, place container on mount, align with container "dimples," and turn until tight. The unique DLX handle design gives more turning power to keep containers tight against its mounting surface. LOX Pack Mount Extra security for your RotopaX containers. Simply mount to any flat surface, place container on mount, align with container "dimples," and turn until tight. The unique DLX handle design gives more turning power to keep containers tight against its mounting surface. Insert the Lock cylinder for security against theft while out on your adventure. If you are using this mount with an extension, it will defeat the purpose of the locking capability. Looking to stack two RotopaX tanks? Purchase an Extension Kit here to add to a Pack Mount.