Multi-layer filtration The filter consists of two-ply activated carbon fiber and two-ply fine cotton The adsorption and water purification efficiency of activated carbon fibers is many times higher than that of conventional activated carbon This will remove the odor and smell of the water, keep the water fresh and clean, and make your pet healthier Extremely Quiet The Cats Water Dispenser uses an ultra-quiet water pump to ensure quieter operation You can also put the fountain in induction mode at night The machine only works when the pets are in the detection area, so you and your cat are not disturbed while they sleep Very easy cleaning The drinking fountain is very easy to clean thanks to the simple dismantling with a plug-in system Works very economically: The submersible pump of this drinking fountain ensures almost noiseless operation The ultra-quiet pump (