General description The 3X Aquarium Filter is designed for efficient water filtration in your aquarium. This ultra-quiet biochemical fish air pump features double foam sponge filters, ensuring a clean and healthy environment for your aquatic life. Technical specifications Model: Xy-2881 Color: Blue and Green Material: Plastic Size: Approximately 19 cm x 7.5 cm Package Contents: 3 Fish tank filters Measurement allowed error: +/- 1-3 cm