Screen made of stainless steel or reinforced polypropylene acts as a barrier to prevent the floating getting through the overflow wall.
The materials used to make them corrosion resistant and are sized to suit each project.
Installed ahead and parallel of the overflow wall. Must be positioned to let water pass through the bottom to the overflow chamber but prevents the passage of the floats, which are retained by the screen itself.
The distance between the baffle and the overflow wall is 30-50 cm.