Vectus Silk water storage tank is a blow moulded tank having a special OFP layer which keeps the water stored in it odor free. The tank is basically made up of 3 layers, namely: White Titanium layer (outer layer), Fine Carbon Distribution layer and the inner layer is the OFP layer, i.e., Odor Free Plastic layer. It keeps the water free from any unpleasant odor that could form due to growth of microbes or stagnancy of water. Salient Features 100% Virgin Raw Material Lightweight yet Super Strong Odour-Free Plastic Layer Threaded Lid Diameter - 840mm Height - 1110mm manhole Dia - 380mm