Phosphate Minus 5l Effective fluidization filters medium. During absorption it reduces phosphates and silicates in marine and freshwater aquariums. PhosphateMinus should be placed in flow filters in 100 ml for 100 l of water in marine aquarium or 200l in freshwater aquarium.

Central Overflow Central overflow with surface and bottom suction up to about 1,500 l/h (400 US gal./h). Is used for aquariums with a central internal drain pipe. Fitted with a socket for PVC pipes, diam. 40 mm (1.57 in.). For complete installation, we recommend the use of screw connection, pipe and hose 1077.100.