Downpour All Downpour tanks are manufactured from UV stabilised food-grade materials for the storage of cool, fresh, hygenic, algae free and taste free water all year round. Downpour make polyethylene round, slimline and underground tanks, which come in a large variety of colours and sizes, and also a large range of fibre-reinforced plastic tanks that may be better for bushfire prone areas due to their higher resistance to heat and higher tensile strength. Downpour's tanks come in 450Lt - 45,000Lt and all come designed to AS4020. | 

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