General description This 180-piece set of water pump filter sponges is designed for effective filtration in various applications, including water fountains, mini pumps, and household fountains. These sponges are large enough for sharing and easy to store, making them a practical choice for garden enthusiasts and home users alike. Technical specifications Quantity: 180 pieces Material: Filter sponge Usage Filters impurities from water to ensure cleaner water for plants. Removes pollutants and harmful odors from the water. Enhances the health of plants by providing clearer water.