Shalin Composites offer wide range of FRP Composite pressure vessels for Water and desalination industry Our DURASHELLTM range of Composite pressure vessels are manufactured on highly sophisticated CNC controlled automatic machines promising same repeatability and precision quality over wide range of models. DURASHELLTM vessels are manufactured in LDPE as well as FRP liner option. DURASHELLTM LDPE liner vessels are standard vessels made up of virgin quality natural colour LDPE material which ensures no algae formation in longer usage.