GEP plastic rainwater tanks have a very low weight, so they are very easy to install. The Blueline rainwater tanks are specially developed for rainwater, one-piece plastic tanks, seamlessly produced, so 100% guaranteed to be watertight. The Blueline rainwater tanks are available as separate tanks but also as Varitank with built-in rainwater filter. The Blueline rainwater tanks are available in various sizes from 1,500 liters to 10,000 liters. The rainwater tanks are intended for the storage of rainwater and can be interconnected so that very large volumes can be made. All lids of the Varitank line fit on the Blueline rainwater tanks.