With our NAUTA tanks, we offer a complete range of flexible tanks for boaters, from 20l to 1500l. 4 ranges are available: Tanks for fresh water (NAUTA 911) / Tanks for fuel & used water (NAUTA 915) / Tanks for fuel & used water Large Capacity (NAUTA 945) / Portable Fuel Tanks for outboard motors (NAUTA 521).