Filter basket for rainwater integrated into the rise tube designed for all underground tanks from Rewatec. The set consists of a riser tube with built-in basket filter. The filter housing for easy installation and access to the filter without tools. Large size basket filter collector allows for less frequent cleaning. This is a very convenient solution, because the filter basket is located in a specially designed hole. This facilitates removing, and then placing the filter in place (compared to the suspended filters). It provides high quality and freshness of water in the reservoir by optimizing the supply of oxygen to the tank. Due to the fact that the filter is accurate (opening width 0.9mm), suitable also for home systems (requires regular cleaning of the basket).