B Barrel™ A safe, compact and digital RO desalination system. Its plug-and-play approach helps to secure a fast-track schedule while its embedded digital sensors provide remote monitoring. Membrane Filtration (MF/UF/NF) S Spidflow® Dissolved air flotation (DAF) technology for the clarification of any kind of water source containing suspended solids, organic matter, algae and floating matter (grease, oil, etc.). Sedimentation - Clarification - Flotation