The 800 Litre Vertical Slim Line Tank has a small footprint allowing you to utilise those small, out of the way spaces. It will allow you to harvest a substantial amount of rainwater. When collecting the rain water, it is very important to use the Gutter Mate filter with this tank because of its size. The Gutter Mate is fitted to the downpipe and filters all the rain water before it goes into the tank. Cleaning large tanks is not the easiest when rain saving, so good filtration of the rain wa