Rectangular cistern by Spek, suitable for wall-mounted installation. It is mounted on the wall at a height of approximately 1.5 meters above the toilet bowl. It is usually found in old buildings where the corresponding pipes for its connection exist.

It is high pressure, which means that the water falls forcefully into the bowl and has high pressure. For this reason, it has a smaller water capacity compared to a low-pressure tank, as the need for water is not as great.

Made from plastic, which is a much more economical solution compared to porcelain. It is very resistant to moisture and also shows great durability over time.