The main features are the skewed plane, which rises from the pelvic wall to the orbit, and the grooved handle plate with safety marking. The water runs up like a beach, and the water level quickly calms down.

Advantages of this system: water level at or above level of the pool bypass. This provides an excellent overview and no odour nuisance caused by chlorine. Cleaning the drain gutter from the handling.

The flood edge here is a basin edge stone with a direct connection or an overflow channel behind it.

Advantages of this system: water level at or above level of the pool bypass. This provides an excellent overview and no odour nuisance caused by chlorine. Cleaning the drain gutter from the handling.

Typical characteristic is the flood gutter, whose bead is a flood edge and handle in one. Water level also here at or above level of the pool bypass. So the overview is excellent and there is no chlorine bell.

This system consists of an internal overflow channel, which is located about 0.30 m below the pool bypass. As a result, the water level is lower.

Advantages of this system: Good shaft refraction due to slantplate, good holding possibilities at the gutters, clearly visible markings and good mounting possibilities of separating and floating ropes.