Item Type: Aquarium Sponge Filter <br>Material: Plastic, Sponge, Rubber<br>1、COMPACT AND LIGHTWEIGHT: Mini aquarium sponge filter is compact and lightweight, saving space and making it easy to clean and replace filter pads. <br>2、PNEUMATIC FILTRATION PRINCIPLE: Aquarium sponge filter adopts pneumatic filtration principle to protect fish health and keep water clean. <br>3、SAFE MATERIAL: Fish tank sponge filter is made of environmental friendly and non toxic material to protect water quality and fish safety. <br>4、HIGH ADSORPTION CAPACITY: Aquarium biochemical water filter has strong adsorption capacity and can remove most of the impurities in the water. <br>5、SCOPE OF APPLICATION: Fish tank biochemical water filter has even water discharge. Suitable for many sizes of fish tank and grass tank.<p>2 x Filter Cotton</p><p>2 x Filter Cotton Support Rod</p><p>2 x Filter Material Box</p><p>1 x Main Water Pipe</p><p>1 Bag x Filter Material</p>