Overflow for supplementary installation with surface and bottom suction up to about 1,200 l/h.  No boreholes in the glass required, and thus it can be retro-fitted easily. Even after an interruption of the recirculation pump, it will continue to operate automatically.  Water outlet diam. 40 mm (1.57 in.).
For easy installation and quiet operation, we recommend the use of overflow hose set 1075/2. 

• Made in Germany
• 2 year replacement warranty