General description These aquarium filter sponges are designed to prevent the accidental inhalation of small fish and shrimp while ensuring effective mechanical filtration. The sponges serve as a vital accessory for aquarium filters, providing a safe and clean environment for aquatic life. Technical specifications Quantity: 6 sponge filters Size: 75 mm long x 40 mm deep (8 cm x 4 cm) Pore size: 0.75 inches Usage Connect the sponge filter to the water inlet of the fish tank filter. Effectively collects dirt particles, food scraps, and other impurities in the water. Easy to clean and maintain the filter's performance. Other information Made of soft, safe, and highly elastic sponge material. No fluorescent agents or pungent odors. Suitable for aquariums, turtle pools, glass containers, etc.