Lf-219 Aquarium Bio Sponge Filter Material: plastic sponge,Color: green,Model: LF-219,Size: 19.5 cm after non-expansion, 29.8 cm after expansion.The filter section is 12cm high and the bottom length is 13 cm. Package included:1 * Aquarium Air Pump Sponge Filter. Designed with submersible pump for water filtration and circulation. Great way to clean and oxygenate your tanks Use eco-friendly sponges and ceramic beads to absorb harmful substances and increase oxygen content. IF ANY DOUBTS FEEL FREE TO CONTACT US  ON YOTUBE  INSTAGRAM CONTACT US