Battery Operated Gravel Vacuum-A well-kept aquarium radiates crystal-clear cleanliness right down to the gravel bed.
However, sinking dirt particles, plant debris and organic residues repeatedly form an ugly layer of sludge.
This provides the breeding ground for unwanted substances which pollute the water.
Battery operation Working duration of up to 4 hours, Easy handling Powerful suction pump Suction jet with extension element, Suitable for marine and freshwater Supplied complete with batteries Fully submersible 2 years guarantee Requires 4 AA batteries to operate.