Supershield Water Tank Jacket * prevents water from cold and heat * pay back in as little as 6 months * easy and flexible fitting * flame retardant insulation technology * uv resaretant material * prevents nuareance of monkey * water proof jacket * lang term protects from direct sunlight * increase water tank life * easy to clean * save cost of water cooler/cooling in summer * save cost of water heater/heating in winter * it improves the working efficiency of your installed water purifier * it improves the life pump & membrane of your water purifier * it reduces the regular maintenance cost of your water purifier * diy - do it yourself * you can install by yourself..