Rakso Class Cleaner is a cleaning sponge with stainless stell fibers. Ergonomically shaped cleaning sponge for reliable removal of dirt (e.g. algae residues, lime buildup) from all freshwater aquarium glass. Cleans scratch-free. Protects the silicone compound and is non-hazardous tot he fish and plants. 2 Glass Cleaner sponges + 1 extra-long cleaning glove. Dimensions approx: 10 x 6.5 cm.Do you have questions about this article ?