A durable, premium quality garden tank for rainwater storage, the Wall Tank is a practical alternative to underground rainwater tanks. Large 800 litre capacity Rain-Tank with a small space saving footprint. These water tanks are available in 4 finishes: Sandstone, Granite, Green or Black. Self-cleaning Filters are available for diverting filtered rainwater sideways into the tank, while leaves and debris continue down the drain. Tank-to-tank connectors are available for multi-tank systems. By clever design each water tank can be easily linked to the next using a sturdy 25mm hose between metal threads.